Physics Fibre optics work on the principle of Optical rotation Total internal reflection Total internal absorption Scattering of light Optical rotation Total internal reflection Total internal absorption Scattering of light ANSWER DOWNLOAD EXAMIANS APP
Physics Sound waves in air are polarised electromagnetic transverse longitudinal polarised electromagnetic transverse longitudinal ANSWER DOWNLOAD EXAMIANS APP
Physics The sensation of weightlessness in a spacecraft in an orbit is due to the Acceleration in the orbit which is equal to the acceleration due to gravity outside Presence of gravity outside but not inside the spacecraft Absence of gravity outside Fact that spacecraft in the orbit has no energy Acceleration in the orbit which is equal to the acceleration due to gravity outside Presence of gravity outside but not inside the spacecraft Absence of gravity outside Fact that spacecraft in the orbit has no energy ANSWER DOWNLOAD EXAMIANS APP
Physics Instrument used to measure the force and velocity of the wind is Audiometer Altimeter Anemometer Ammeter Audiometer Altimeter Anemometer Ammeter ANSWER DOWNLOAD EXAMIANS APP
Physics The apparent weight of a man in a lift is less the real weight when : The lift is going up with uniform speed The lift is going up with an acceleration The lift is going down with uniform speed The lift is going down with an acceleration The lift is going up with uniform speed The lift is going up with an acceleration The lift is going down with uniform speed The lift is going down with an acceleration ANSWER DOWNLOAD EXAMIANS APP
Physics Velocity of sound in air does not change with the change of Wind in the direction of propagation of sound Moisture content in air Temperature of air Pressure of air Wind in the direction of propagation of sound Moisture content in air Temperature of air Pressure of air ANSWER DOWNLOAD EXAMIANS APP