Physics Period of oscillation of 3 cm microwaves in seconds is 1 × 1010 1 × 10–10 0.01 0.001 1 × 1010 1 × 10–10 0.01 0.001 ANSWER DOWNLOAD EXAMIANS APP
Physics In superconductors, the energy gap is due to Electron-photon intercation Electron-phonon interaction Electron-electron interaction Phonon-phonon interaction Electron-photon intercation Electron-phonon interaction Electron-electron interaction Phonon-phonon interaction ANSWER DOWNLOAD EXAMIANS APP
Physics For a body moving with uniform acceleration its final velocity equals ________ 2 x average velocity + initial velocity 2 x average velocity - initial velocity Average velocity + initial velocity Average velocity - initial velocity 2 x average velocity + initial velocity 2 x average velocity - initial velocity Average velocity + initial velocity Average velocity - initial velocity ANSWER DOWNLOAD EXAMIANS APP
Physics A piece of wood is held under water. The upthrust on it will be: Equal to the weight of the wood Zero Less than weight of the wood More than weight of the wood Equal to the weight of the wood Zero Less than weight of the wood More than weight of the wood ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the waves have the longest wavelength Blue Violet Green Red Blue Violet Green Red ANSWER DOWNLOAD EXAMIANS APP
Physics Railway tracks are banked on curves so that Necessary centrifugal force may be obtained from the horizontal component of the weight of the train No frictional force may be produced between the tracks and the wheels of the train Necessary centripetal force may be obtained from the horizontal component of the weight of the train The train may not fall down inwards Necessary centrifugal force may be obtained from the horizontal component of the weight of the train No frictional force may be produced between the tracks and the wheels of the train Necessary centripetal force may be obtained from the horizontal component of the weight of the train The train may not fall down inwards ANSWER DOWNLOAD EXAMIANS APP
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