Physics Sound becomes hazardous noise pollution at decibels? Above 50 db Above 30 db Above 80 db Above 120 db Above 50 db Above 30 db Above 80 db Above 120 db ANSWER DOWNLOAD EXAMIANS APP
Physics In quantum mechanics a particle is represented by a Wave Wave packet Particle None of these Wave Wave packet Particle None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Velocity of sound in air does not depend on Pressure of air Humidity of air Density of air Temperature of air Pressure of air Humidity of air Density of air Temperature of air ANSWER DOWNLOAD EXAMIANS APP
Physics What is the reason for formation of Mirage in desert? Refraction of light Reflection of light Both Refraction and Total internal reflection of light Total internal reflection of light Refraction of light Reflection of light Both Refraction and Total internal reflection of light Total internal reflection of light ANSWER DOWNLOAD EXAMIANS APP
Physics In a conductor The forbidden energy gap is very wide The valence band and the conduction band overlap each other The forbidden energy gap is very narrow There is no conduction band The forbidden energy gap is very wide The valence band and the conduction band overlap each other The forbidden energy gap is very narrow There is no conduction band ANSWER DOWNLOAD EXAMIANS APP
Physics The density of a gas is maximum at High temperature, low pressure High temperature, high pressure Low temperature, high pressure Low temperature, low pressure High temperature, low pressure High temperature, high pressure Low temperature, high pressure Low temperature, low pressure ANSWER DOWNLOAD EXAMIANS APP