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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
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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- When 10¹⁹elecrons are removed from a neutral metal plate through some process,
- A nucleus with mass number 220 initially at rest emits an α-particle. If the Q-value
- A stone is tied to a string of length l and whirled in a vertical circle with the other end
- In a transistor, the value of βis 100, then the value of α will be
- One mole of an ideal gas at an initial temperature of T K, does 6R joule of work
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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