Physics In an optical fibre the signal is transmitted Due to total internal reflection In a straight line path Due to refraction In a curved path Due to total internal reflection In a straight line path Due to refraction In a curved path ANSWER DOWNLOAD EXAMIANS APP
Physics The quality or tone of a musical sound produced by a stringed instrument depends on Frequency of vibration Wave form of the sound Length of the strings in the instrument Amplitude of vibration Frequency of vibration Wave form of the sound Length of the strings in the instrument Amplitude of vibration ANSWER DOWNLOAD EXAMIANS APP
Physics The speed of sound in air depends on Temperature None of these Frequency Wavelength Temperature None of these Frequency Wavelength ANSWER DOWNLOAD EXAMIANS APP
Physics The rotational effect of a force on a body about an axis of rotation is described in terms of Centripetal force Moment of force Centre of gravity Centrifugal force Centripetal force Moment of force Centre of gravity Centrifugal force ANSWER DOWNLOAD EXAMIANS APP
Physics Inside an aeroplane, flying at a high altitude, the pressure inside is less than the pressure outside. the pressure is the same as that outside. normal atmospheric pressure is maintained by the use of air pumps. normal humidity and partial vacuum are maintained. the pressure inside is less than the pressure outside. the pressure is the same as that outside. normal atmospheric pressure is maintained by the use of air pumps. normal humidity and partial vacuum are maintained. ANSWER DOWNLOAD EXAMIANS APP
Physics The weakest of all fundamental forces is Nuclear force Gravitational force Magnetic force Electrostatic force Nuclear force Gravitational force Magnetic force Electrostatic force ANSWER DOWNLOAD EXAMIANS APP