Physics Man perceives sound vibrations in the frequency ranges of 0 – 5 Hz 20 – 20000 Hz 6 – 10 Hz 11 – 20 Hz 0 – 5 Hz 20 – 20000 Hz 6 – 10 Hz 11 – 20 Hz ANSWER DOWNLOAD EXAMIANS APP
Physics Pieces of camphor placed on water move about rapidly. This is because of Surface tension Viscosity Diffusion Capillarity Surface tension Viscosity Diffusion Capillarity ANSWER DOWNLOAD EXAMIANS APP
Physics A cyclist leans inwards when he is negotiating a curve so that No frictional force may be produced between the wheels and the axle His weight may be reduced Necessary centripetal force may be available from the horizontal component of the normal reaction due to the track to maintain the curved motion. He may increase his speed No frictional force may be produced between the wheels and the axle His weight may be reduced Necessary centripetal force may be available from the horizontal component of the normal reaction due to the track to maintain the curved motion. He may increase his speed ANSWER DOWNLOAD EXAMIANS APP
Physics Lamberts law is related to Interference Reflection Illumination Refraction Interference Reflection Illumination Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics The hair of shaving brush clings together when removed from water due to Viscosity Elasticity Surface tension Friction Viscosity Elasticity Surface tension Friction ANSWER DOWNLOAD EXAMIANS APP
Physics A dynamo is a device which Converts mechanical energy into electrical energy Creates electrical energy Creates mechanical energy Converts electrical energy into mechanical energy Converts mechanical energy into electrical energy Creates electrical energy Creates mechanical energy Converts electrical energy into mechanical energy ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS