Physics When two similar sources vibrate with slightly different frequencies, a regular rise and fall occurs in the loudness of tone. This phenomenon is known as Echo Resonance Doppler effect Beats Echo Resonance Doppler effect Beats ANSWER DOWNLOAD EXAMIANS APP
Physics Which alternative energy source is exhaustible? Tidal energy Geothermal energy Solar energy Wind energy Tidal energy Geothermal energy Solar energy Wind energy ANSWER DOWNLOAD EXAMIANS APP
Physics The width of depletion layer of a P-N junction Is increased under reverse bias Increases with heavy doping Is independent of applied voltage Decreases with light doping Is increased under reverse bias Increases with heavy doping Is independent of applied voltage Decreases with light doping ANSWER DOWNLOAD EXAMIANS APP
Physics The function of ball bearings in a wheel is : To increase friction Just for convenience To convert static friction into kinetic friction To convert kinetic friction into rolling friction To increase friction Just for convenience To convert static friction into kinetic friction To convert kinetic friction into rolling friction ANSWER DOWNLOAD EXAMIANS APP
Physics A single fixed pulley is used to draw water from a well because Force is applied in a convenient direction Velocity ratio is low Mechanical advantage is high Efficiency is 100% Force is applied in a convenient direction Velocity ratio is low Mechanical advantage is high Efficiency is 100% ANSWER DOWNLOAD EXAMIANS APP
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 sina Pcosq cosa Psinq sina Psinq cosa Pcosq sina Pcosq cosa Psinq sina Psinq cosa ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS