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Doppler Effect in Light Waves

Fill in the b...

Question

Fill in the blank:

If $V$ is the velocity of a receding galaxy and $R$ is the distance of the galaxy from the Earth. Then the relation between $V$ and $R$ is _______ .

V \propto \frac{1}{R}

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V \propto R^{2}

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V \propto R

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V \propto \frac{1}{R^{2}}

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Solution

The correct option is B $V \propto R$
As per Hubble Expansion Law, $H = \frac{V}{R}$ ,
where $H$ is Hubble constant.
So, $V \propto R$ .

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Fill in the blank:If V is the velocity of a receding galaxy and R is the distance of the galaxy from the Earth. Then the relation between V and R is _______ .

The correct option is B V∝RAs per Hubble Expansion Law, H=VR,where H is Hubble constant. So, V∝R.

Fill in the blank:

If $V$ is the velocity of a receding galaxy and $R$ is the distance of the galaxy from the Earth. Then the relation between $V$ and $R$ is _______ .

The correct option is B $V \propto R$
As per Hubble Expansion Law, $H = \frac{V}{R}$ ,
where $H$ is Hubble constant.
So, $V \propto R$ .