Physics In spherical polar coordinates (l, q, a), q denotes the polar angle around z-axis and a denotes the azimuthal angle raised from x-axis . Then the y-component of P is given by Pcosq cosa Pcosq sina Psinq sina Psinq cosa Pcosq cosa Pcosq sina Psinq sina Psinq cosa ANSWER DOWNLOAD EXAMIANS APP
Physics The energy obtained from atoms is known as ________ Nuclear energy Heat energy Solar energy Chemical energy Nuclear energy Heat energy Solar energy Chemical energy ANSWER DOWNLOAD EXAMIANS APP
Physics Conversion of sound energy into electrical energy is done by Loudspeaker Gramophone Microphone Solar cell Loudspeaker Gramophone Microphone Solar cell ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these travels in glass with minimum velocity ? Yellow light Violet light Green light Red light Yellow light Violet light Green light Red light ANSWER DOWNLOAD EXAMIANS APP
Physics For which of the following substances, the resistance decreases with increase in temperature? Platinum Nichrome Pure silicon Copper Platinum Nichrome Pure silicon Copper ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following processes is responsible for the glittering of air bubble rising through water? Total internal reflection of light Reflection of light Refraction of light Scattering of light Total internal reflection of light Reflection of light Refraction of light Scattering of light ANSWER DOWNLOAD EXAMIANS APP
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