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Speed of recession of a galaxy is proportional to its distance __________

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in Engineering Physics I by (558k points)
Speed of recession of a galaxy is proportional to its distance __________

(a) Directly

(b) Inversely

(c) Exponentially

(d) Linearly

I got this question by my college director while I was bunking the class.

I need to ask this question from Stationary Waves in portion Waves of Engineering Physics I

1 Answer

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Best answer
The correct choice is (a) Directly

Explanation: According to Hubble’s law, the speed of recession (v) of a galaxy is directly proportional to its distance (r) from us.

Where H is Hubble’s constant.

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