Physics Oil rises up the wick in a lamp because Of the capillary action phenomenon Oil is very light Of the diffusion of oil through the wick Of the surface tension phenomenon Of the capillary action phenomenon Oil is very light Of the diffusion of oil through the wick Of the surface tension phenomenon ANSWER DOWNLOAD EXAMIANS APP
Physics In which form is the supplied heat energy stored during change in temperature of substance? Both kinetic and potential energy Heat energy Potential energy Kinetic energy Both kinetic and potential energy Heat energy Potential energy Kinetic energy ANSWER DOWNLOAD EXAMIANS APP
Physics A photo-electric cell converts Heat energy to mechanical energy Light energy to chemical energy Mechanical energy to electric energy Light energy to electrical energy Heat energy to mechanical energy Light energy to chemical energy Mechanical energy to electric energy Light energy to electrical energy ANSWER DOWNLOAD EXAMIANS APP
Physics The force exerted by a magnet is an example of ________ Contact force Non-contact force Electrostatic force Muscular force Contact force Non-contact force Electrostatic force Muscular force ANSWER DOWNLOAD EXAMIANS APP
Physics Cloudy nights are warmer compared to clear cloudless nights, because clouds mainly Absorb heat from the atmosphere send it towards earth Prevent cold waves from the sky descending on earth Reflect back the heat given by earth Produce heat and radiate it toward earth Absorb heat from the atmosphere send it towards earth Prevent cold waves from the sky descending on earth Reflect back the heat given by earth Produce heat and radiate it toward earth ANSWER DOWNLOAD EXAMIANS APP
Physics A NOT gate can be implemented by: A single resistor Two diodes A single transistor A single diode A single resistor Two diodes A single transistor A single diode ANSWER DOWNLOAD EXAMIANS APP