When blue shift occurs, how does the wavelength of light that we see change?

Answers

Answer 1
The doppler effect changes the wavelength of the light emitted, depending upon whether source is moving away or coming towards the detector.
Doppler effect in light is actually a relativistic effect (caused due to relativistic time dilaton and can be explained by special theory of relativity) but somewhat similar to the one which happens in sound waves. This effect has nothing to do with the bending in spacetime.
When the source is moving away from the detector, the wavelength of the light emitted from the source appears to be increased as seen by the detector (think of a wave being stretched), as a result the frequency decreases (since, speed of light is constant in all frames). Due to this decrease in frequency the light emitted from the source appears more red (since red color is on low frequency side in the electromagnetic spectrum) compared to the situation when source was at rest.
Vice versa for the source moving towards the detector
This shift in frequency is also known as doppler shift.
The shift in frequency when the source is moving away is known as redshift and the opposite one is known as blueshift.

Related Questions

"environmental sustainability places emphasis on how business can achieve positive economic outcomes without doing any harm to the environment". discuss the applicability of this statement

Answers

Environmental sustainability refers to getting connected to the planet and using the resources carefully to avoid depleting them.

What is the environment?

Environment refers to the presence of living and nonliving things in the surroundings. This includes human beings, natural resources like rivers, mountains, plants, and air used for the survival of mankind.

The practice of engaging carefully with the world is known as environmental sustainability.  To minimize depletion of natural resources and affect the ability of future generations to meet their basic requirements.

The business should focus on optimum utilization of resources without creating wastage, this will help to save resources to some extent. Businesses should focus on the concept of reuse and recycling to maintain the environmental sustainability.

Business units can promote sustainable products which will also help to achieve positive outcomes without doing any harm to the environment.

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describe the location of a rainforest

Answers

Explanation:

Tropical rainforests are found in Central and South America, western and central Africa, western India, Southeast Asia, the island of New Guinea, and Australia. They appear in temperatures around 21C and 30C.

Explain The Solar Nebula theory and The Big Bang Theory in your own words with the help of diagrams. ​

Answers

Answer:

The Nebular Hypothesis is an explanation for the formation of solar systems. The Big Bang Theory explains the origins of this universe

Explanation:

The big bang is how astronomers explain the way the universe began. It is the idea that the universe began as just a single point, then expanded and stretched to grow as large as it is right now—and it is still stretching!

this is big bang

The nebular hypothesis is the idea that a spinning cloud of dust made of mostly light elements, called a nebula, flattened into a protoplanetary disk, and became a solar system consisting of a star with orbiting planets [12]. The spinning nebula collected the vast majority of material in its center, which is why the sun Accounts for over 99% of the mass in our solar system.

this is nebular hypothesis

1) Compare China’s physical geography with its population distribution. Is there a connection? (at least 2 paragraphs)
Remember to include place names, data and look for patterns.
Thanks :)

Answers

China is the most populous country in the world, with almost 1.5 billion people, but with a low population density.

Where is the highest population density in China?

Despite the number of people living in China in its area of ​​almost 10 million km², official indices indicate that the country ranks 79th in the world in terms of population density. This is due to factors related to China's economy, where there was greater growth in the country's eastern coastal provinces.

Therefore, the population density of China is related to the economic opportunities of an area, encouraging migration to the east, in addition to the favorable physical characteristics.

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Explain the geographic context for the Ottoman
Empire's power.

Answers

Answer:

The Ottoman Empire was an imperial state that was founded in 1299 after growing out of the breakdown of several Turkish tribes. The empire then grew to include many areas in what is now present-day Europe. It eventually became one of the largest, most powerful and longest-lasting empires in the history of the world.

Explanation:

How does the presence of a large industry, like the automobile industry, influence/impact a city?

Answers

Answer:

The automobile gave people more personal freedom and access to jobs and services. It led to development of better roads and transportation. Industries and new jobs developed to supply the demand for automobile parts and fuel. These included petroleum and gasoline, rubber, and then plastics.

Explanation:

Large industries, such as the automobile industry provide job opportunities for civilians, so cities and towns may form around factories where products are needing to be produced. They also give civilians more of an advantage for migration and travel, allowing people to move more easily from place to place and discover and develop new cities and societies

Select the correct answer from each drop-down menu. how might this factory affect the carbon and water cycle? a photo shows smoke coming out from industrial chimneys against the backdrop of a clear morning sky. the factory can affect the carbon cycle by releasing carbon dioxide into the atmosphere. because carbon dioxide is a , it can trap the sun’s heat in the atmosphere. because the factory is made of concrete, it may deplete groundwater levels over time by not allowing water to .

Answers

The factory can affect the carbon cycle by releasing carbon dioxide into the atmosphere because it can trap heat from the sun in the atmosphere.

What is the Carbon cycle?

The carbon cycle is a term used to refer to the cycle of the chemical element Carbon in which it interacts in two ways with living organisms and the environment.

How does the carbon cycle work?

In general, the carbon cycle works in the following way:

Carbon is in the air mostly as carbon dioxide CO2 gas, which dissolves in water and reacts with water molecules to produce bicarbonate: HCO3

Photosynthesis carried out by land plants, bacteria and algae converts carbon dioxide or bicarbonate into organic molecules.

Organic molecules produced by photosynthesizing organisms pass through food chains, and cellular respiration converts organic carbon back to carbon dioxide gas.

Therefore, when a factory produces carbon dioxide, it is affecting the carbon cycle because it is releasing carbon molecules into the air that will unbalance the entire cycle.

Additionally, carbon, being a greenhouse gas, will trap the sun's heat in the atmosphere, causing an increase in the Earth's temperature.

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FOR EDMENTUM/PLATO The first blank is greenhouse gas and the second is infiltrate

Oceania is north of Antarctica.
O A. Region
OB. Movement
C. Location
OD. Place

Answers

Explanation:

region

mark as brilliant

Answer:

A because anatartica is continent

The population density of Argentina is lower than the population density of
Bangladesh. What does this indicate?
A. There are fewer people per square mile in Bangladesh.
B. There are fewer people living in Bangladesh.
C. There are fewer people living in Argentina.
OD. There are fewer people per square mile in Argentina.

Answers

Answer: D

Explanation: Population density is the concentration of individuals within a species in a specific geographic location. As Argentina has a lower population density, there are fewer people living per sq mile compared to Bangladesh.

What occurs when warm, humid air is pushed up the side of a high mountain?.

Answers

It results in adiabatic cooling.

Which climate is found closer to the poles?

tropical savannas
humid subtropics
tropical rain forests

please answer this question and don't write weird things that have nothing to do with my question :)

Answers

The climate found near the poles is Polar climate or Tundra climate.

What is Polar Climate?

Polar climate refers to the cold weather conditions pertaining over the region for very long period of time. In polar regions the summers are cool and the winters are frigid.

These type of the climate is also occurs in the mountain regions due to the high altitude. Thus it is a type of a Tundra climate where summers are for short period of time.

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The majority of Europe’s raw materials are imported. Consider the relationship between that fact and the air and water pollution in Europe today. What best explains this relationship?
A.
Europe imports large amounts of raw materials for its manufacturing industry, and industrialization without regulation has resulted in air and water pollution.
B.
Europe requires large amounts of raw materials to replace those which have been depleted, and the mining and lumbering of Europe’s raw materials led to air and water pollution.
C.
The region is struggling with air and water pollution caused by careless farming practices.
D.
The Industrial Revolution is largely to blame for the air and water pollution in Europe today.

Answers

Answer:

letter B po ba

Explanation:

correct me if im wrong hehe good evening po

how was apartheid implemented

Answers

Answer:

The apartheid bureaucracy devised complex (and often arbitrary) criteria at the time that the Population Registration Act was implemented to determine who was Coloured. Minor officials would administer tests to determine if someone should be categorised either Coloured or White, or if another person should be categorised either Coloured or Black.

Explanation:

Which state is home to the largest ski resort in the u. S. ?.

Answers

Answer:

A resort in Park City, Utah.

Select all that apply Strike-slip zones ______. Multiple select question. may lie totally within a tectonic plate are created due to rising magma can separate two plates (either being continental or oceanic) only form at continental crust boundaries may create large shear zones

Answers

Strike-slip zones lie within the tectonic plates, separate the two plates as continental or oceanic, and created large shear zones.

What are tectonic plates?

Tectonic plates are found in the crust of the Earth mainly in the lithospheric region.

When the vertical zones shifted the two blocks to the horizontal direction in parallel by hitting the fault zone, then the created zone is called a Strike-slip zone. It is usually formed between the oceanic and continental plates under the surface of Earth by forming large shear openings.

Therefore, the explanation provided in options A, C, and E relates to the formation of Strike-slip zones.

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Recycling can extend the use of nonrenewable resources but can not restore them. humans can restore renewable resources to reduce some negative effects of increased human consumption. identify one resource that is renewable, and describe one specific way humans can restore this resource if it is being depleted.

Answers

Trees are renewable resource they can be used to generate many important produce and can be planted again.

What are renewable resource?

Renewable resources are resources that is always made available.

It can be made available for many years without exhausting it.

Tree and solar energy are example of renewable resources.

Therefore, Trees are renewable resource they can be used to generate many important produce and can be planted again.

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What geological techniques could you use to explore whether the Chuckanut Formation formed at tropical latitudes and shifted northward via tectonics, or whether it formed near its current latitude

Answers

The geological techniques could you use to explore whether the Chuckanut Formation formed at tropical latitudes and shifted northward via tectonics, or whether it formed near its current latitude is leaf fossils.

What is geological technique?

Geological technique refer to the methods use by geologist to discovered and detect geological elements like fossils, rocks and so on.

Therefore, The geological techniques could you use to explore whether the Chuckanut Formation formed at tropical latitudes and shifted northward via tectonics, or whether it formed near its current latitude is leaf fossils.

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about 250 million years ago pangaea began to split apart leading to massive volcanism and a green house effect? what was one effect of the global catastrophes

Answers

One main effect of the global catastrophes was the rising temperature, also known as global climate of the earth surface.

What is a green house effect?

This is a natural process that happens when the gases in Earth's atmosphere trap the Sun's heat.

Therefore, the main effect of the global catastrophes was the rising temperature, also known as global climate of the earth surface.

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Hazards of volcanoes include the gas ____, which was responsible for more than a thousand deaths at Lake Nyos, Cameroon.

Answers

Answer:

CO2 (Carbon Dioxide)

Explanation:

34. Study the topographical maps below:

Which features are most likely shown in both topographical maps? (SC.6.E.6.2)
a. streams
b. islands
c. valleys
d. lakes

Answers

Answer:

a. streams

Explanation:

The "V" shape( the black lines) indicates that streams are on both topographical maps.

Explain the historical circumstances that led to the developments discussed in the excerpt from "china's foreign policy."

Answers

The historical circumstances began when Chinese intellectuals and political leaders ask themselves question in regards to how China is to view itself.

What is the historical circumstances about?

The Chinese were said to have made a lot of effort to be more modernize but they were said to have failed.

The presence of the communist party was one that gave rise to economic and political changes.

Note also that the effect of the World War II and the Civil War in the Japanese imperialism was said to have given China an advantage economically and also made them politically vulnerable.

Note also that China depended on agriculture and because of the Cold War, they still carried on their communist policies.

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What are the three branches of geography.​

Answers

Answer:

The three branches of geography are

Physical geographyPractical geographyHuman geography

Answer:

Physical ,human and practical geography.

What is the slope of the line through (-18,-16), (10,-4)

Answers

Answer:

[tex]\frac{3}{7}[/tex]

Explanation:

[tex]\frac{-4-(-16)}{10-(-18)}[/tex]

what caused Israel and the PLO to begin fighting again in 2000
A. Israel and its allies began trading with the PLO
B. The United States allied with the PLO to invade Israel.
C. Both sides felt the other had broken the peace process

Answers

Both units covered the other had broken the peace process is the caused Israel and the PLO to begin fighting again in 2000.

What caused the conflict between Palestine and Israel?

After the Israeli Supreme Judge appointed the evacuation of six Palestinian houses from the Sheikh Jarrah quarter, Palestinians in East Jerusalem shown its on May 6.

The present political strife movements of the twentieth century, deny the reality that Jews and Arab Muslims have both controlled the province for centuries.

Thus, option C is correct.

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Look at the graphic organizer.

A student made this graphic organizer to help write a narrative essay about his grandfather’s birthday party. Which bubble in the graphic organizer tells the thesis statement of the essay?
“A successful party”
“Good food, good music”
“Happy with a pinch of sadness”
“Grandpa’s surprise birthday party surprises everyone”

Answers

Answer:

“Grandpa’s surprise birthday party surprises everyone”

Explanation:

i think so

i will give somebody 15 points if you answer how many hours are in the day time

Answers

Answer:

24 24 24 24 24 24 24 24

Explanation:

black mamba

Answer:

24 hours are in 1 day.

Explanation:

It's pretty obvious.

Imagine that some of the wells around a city have begun to show elevated levels of a toxic substance. without knowing what the toxic substance is, how can you use groundwater characteristics to determine what the source of the chemicals might be

Answers

To know the source of the chemicals, the gradient can be used in the hydraulic head among contaminated wells to estimate the groundwater flow paths.

What is a hydraulic head?

A hydraulic head refers to a selected size of liquid pressure above a vertical datum. It is commonly measured as a liquid floor elevation, expressed in devices of length, at the entrance of a piezometer.

Hence, To know the source of the chemicals, the gradient can be used in the hydraulic head among contaminated wells to estimate the groundwater flow paths.

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What are some questions you would ask in order to make your own decision

Answers

Is this the right thing to do? Is this a logical thing to do? Will this affect me in a positive or negative way?

Here’s jus a few examples hope this helped :o

On which objects (from Model 3- above) would a compass help identify North and South directions?
Moon, Callisto, and Ganymede
Venus, Earth, and Ganymede
Venus, Earth, and Mars

Answers

Okay Okay I’ll be home by the end of the week I love it when you come home to come get

Why is there not much known about the history of Bhutan?

Answers

They’ve been very independent. Never really allowing another country to help or never allowed another country to take over. They protected there culture.
Other Questions
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