The chemical name of 'solar cell' material commonly used is MCQ with Answer and Explanation
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Question #1
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Which of the following statements is correct for an object moving with constant speed?
Correct Answer: Option C
Explanation:
Constant speed does not imply zero acceleration if direction changes, e.g., uniform circular motion has centripetal acceleration. Velocity may change direction. Displacement magnitude ≤ distance. So only option B is correct.
Constant speed does not imply zero acceleration if direction changes, e.g., uniform circular motion has centripetal acceleration. Velocity may change direction. Displacement magnitude ≤ distance. So only option B is correct.
Question #2
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The time period of a satellite in geostationary orbit is
Question #3
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A 10 Ω resistor is connected across a 5 V battery. The current flowing is
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