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What is the time taken by moon light to reach earth?
Options
(a) 8 sec
(b) 10 sec
(c) 9 sec
(d) None of these
Correct Answer:
None of these
Explanation:
Distance between earth and moon = 3,84,000 km
time = (384000 × 10³) / (3 × 10⁸) = 1.28 sec
The answer is none of these
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Topics: Wave Optics
(101)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If rope of lift breaks suddenly, the tension exerted by the surface of the lift
- Weight of a body of mass m decreases by 1% when it is raised to height h
- A projectile is fired from the surface of the earth with a velocity of 5 m s⁻¹ and angle
- To measure the roughness of the surface of a material, which of the following microscope
- A resistance R draws power P when connected to an AC source. If an inductance
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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