Physics Which one of the following processes is responsible for the glittering of air bubble rising through water? Scattering of light Total internal reflection of light Refraction of light Reflection of light Scattering of light Total internal reflection of light Refraction of light Reflection of light ANSWER DOWNLOAD EXAMIANS APP
Physics A doppler effect occurs when a source of sound moves None of these Both A & B Away from you Towards you None of these Both A & B Away from you Towards you ANSWER DOWNLOAD EXAMIANS APP
Physics A wire of copper having length I and area of cross-section A is taken and a current i is flown through it. The power dissipated in the wire is P. If we take an aluminium wire having same dimensions and pass the same current through it, the power dissipated will be 2P < P P > P 2P < P P > P ANSWER DOWNLOAD EXAMIANS APP
Physics Sources of geothermal power are None of these Both A & B Water Earth's heat None of these Both A & B Water Earth's heat ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following never occurs singly in nature? Force Momentum Velocity Inertia Force Momentum Velocity Inertia ANSWER DOWNLOAD EXAMIANS APP
Physics Planets do not twinkle because They are very far away from the earth resulting in decrease in intensity of light They are nearer to earth and hence we receive a greater amount of light. They emit light of a constant intensity Their distance from the earth does not change with time They are very far away from the earth resulting in decrease in intensity of light They are nearer to earth and hence we receive a greater amount of light. They emit light of a constant intensity Their distance from the earth does not change with time ANSWER DOWNLOAD EXAMIANS APP
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