Physics Optical fiber works on the principle of Interference Total internal reflection Scattering Refraction Interference Total internal reflection Scattering Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a device designed to protect electrical devices from voltage spikes? Voltage unloader Current unloader Heat protector Surge protector Voltage unloader Current unloader Heat protector Surge protector ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these travels in glass with minimum velocity ? Red light Yellow light Violet light Green light Red light Yellow light Violet light Green light ANSWER DOWNLOAD EXAMIANS APP
Physics The weakest of all fundamental forces is Nuclear force Magnetic force Electrostatic force Gravitational force Nuclear force Magnetic force Electrostatic force Gravitational force ANSWER DOWNLOAD EXAMIANS APP
Physics We feel cool when we sit near the fan, this is because Fan gives cool air. Fan cools surrounding air. Air vapourises the sweat on our body. We feel cool when air touches the body. Fan gives cool air. Fan cools surrounding air. Air vapourises the sweat on our body. We feel cool when air touches the body. ANSWER DOWNLOAD EXAMIANS APP
Physics What is refractive index ? It is defined as the ratio of speed of light in the medium to the speed of light in vacuum. None of above It is defined as the product of speed of light in medium and in vacuum. It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. It is defined as the ratio of speed of light in the medium to the speed of light in vacuum. None of above It is defined as the product of speed of light in medium and in vacuum. It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. ANSWER DOWNLOAD EXAMIANS APP
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