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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
- Two capacitors of 10pF and 20pF are connected to 200V and 100V sources, respectively.
- A photon of energy 10.2 eV collide inelastically with hydrogen atom in ground state
- In a vaccum triode the function of grid voltage is
- A microscope is having objective of focal length 1 cm and eye-piece of focal length 6 cm.
- λ₁ and λ₂ are used to illuminate the slits. β₁ and β₂ are the corresponding fringe
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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