Physics A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the cavity will Have its shape changed Remain unaffected Decrease Increase Have its shape changed Remain unaffected Decrease Increase ANSWER DOWNLOAD EXAMIANS APP
Physics A transformer works on the principle of Self induction Inverter Mutual induction Generator Self induction Inverter Mutual induction Generator ANSWER DOWNLOAD EXAMIANS APP
Physics For which one of the following, ''Diodes' are generally used for? Modulation Rectification Amplification Filtration Modulation Rectification Amplification Filtration ANSWER DOWNLOAD EXAMIANS APP
Physics The absolute refractive index of any medium is always: 1 More than one Less than one 1 More than one Less than one ANSWER DOWNLOAD EXAMIANS APP
Physics Amount of water vapour (gaseous) in a given volume of air (cubic metre) is known as: Specific humidity Absolute humidity Relative humidity Mixing ratio Specific humidity Absolute humidity Relative humidity Mixing ratio ANSWER DOWNLOAD EXAMIANS APP
Physics Why does water tank appear shallower when viewed from the top? Due to diffraction Due to refraction Due to reflection Due to total internal reflection Due to diffraction Due to refraction Due to reflection Due to total internal reflection ANSWER DOWNLOAD EXAMIANS APP