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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 self-inductance of a choke coil is 10 mH. When it is connected with a 10 V DC source,
- When photons of energy hν fall on an aluminium plate (of work function E₀),
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Topics: Wave Optics
(101)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In an NPN transistor the collector current is 24 mA. If 80% of the electrons
- The self-inductance of a choke coil is 10 mH. When it is connected with a 10 V DC source,
- When photons of energy hν fall on an aluminium plate (of work function E₀),
- When a wire of uniform cross-section a, length l and resistance R
- A mass of 2.0 kg is put on a flat plan attached to a vertical spring fixed on the ground
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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