NEET UG PHYSICS MCQ: WAVE OPTICS

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The wavelength of light observed on the earth from a moving star is found to decrease by

0.05\,\,\%

. the star is

View answer and explanation

Correct option: C

Coming closer with a velocity of

1.5 \times {10^5}\,\,\mathrm{m}{\mathrm{s}^{ - 1}}

Option C (Coming closer with a velocity of

1.5 \times {10^5}\,\mathrm{m}{\mathrm{s}^{ - 1}}

) is correct because a decrease in wavelength indicates a blueshift, meaning the star is approaching, and the velocity can be calculated using the Doppler shift formula.

NEET UG PHYSICS MCQ: WAVE OPTICS

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