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5.2 Exit Slip: Galactic Motion

Last updated about 1 year ago

4 questions

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Question 1

1.

What happens to the wavelength of light when a galaxy moves away from Earth?

A) The wavelength decreases

B) The wavelength increases

C) The wavelength remains the same

D) The wavelength fluctuates

Question 2

2.

If the wavelength of light is stretched, what happens to the frequency of that light?

A) The frequency increases

B) The frequency decreases

C) The frequency stays the same

D) The frequency fluctuates

Question 3

3.

A galaxy shows a blue shift in its light. What does this indicate about its motion?

A) The galaxy is moving away from us.

B) The galaxy is moving toward us.

C) The galaxy is stationary.

D) The galaxy is rotating around us.

Question 4

4.

Which of the following statements is true regarding red shift?

A) It occurs when an object moves toward the observer.

B) It results in light shifting toward shorter wavelengths.

C) It supports the idea that the universe is expanding.

D) It indicates the object is moving closer to the observer.