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The wavelength of light coming from a di...

The wavelength of light coming from a distant galaxy is found to be `0.5%` more than that coming from a source on earth. Calculate the velocity of galaxy.

A

stationary with respect to the earth

B

approaching the earth with velocity of light

C

receding from the earth with velocity of light

D

receding from the earth with a velocty equal to `1.5xx10^(6)` m/s

Text Solution

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The correct Answer is:
D
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Knowledge Check

  • The wavelength of light coming from a star is found to be 0.6% more than that coming from a source on earth. What is the velocity of the star ? [c=3xx 10^(8)m//s]

    A
    A. `1.2xx10^(6) m//s `
    B
    B. `1.5xx10^(6) m//s `
    C
    C.`1.8 xx 10^(6) m//s `
    D
    D. `1.6xx10^(6) m//s `

  • The observed wavelength of light coming form a distant galaxy is found to be increased by 0.5% as compared with that coming form a terrestrial source. The galaxy is

    A
    stationary with repsect to the earth
    B
    approacthing the eath with velocity of light
    C
    recending form the earth with the velocity of light
    D
    receding form the earth eith a velocity equal to `1.5 xx 10^6 ` m/s.

  • The wavefronts of light coming from a distant source of unknown shape are nearly

    A
    Plane
    B
    elliptical
    C
    cylindrical
    D
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