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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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- The electric potential at a point in free space due to a charge Q coulomb is Q x 10¹¹ v
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Topics: Wave Optics
(101)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Kepler’s third law states that square of period of revolution (T) of a planet
- The electric potential at a point in free space due to a charge Q coulomb is Q x 10¹¹ v
- The initial rate of increase of current, when a battery of emf 6 V is connected
- The dimensional formula for Boltzmann’s constant is
- Two coherent sources of different intensities send waves which interfere.
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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