Physics A bomb explodes on the moon. You will hear its sound on earth after ________ 20 minutes 2 hours 20 minutes You cannot hear the sound of explosion 3.7 hours 20 minutes 2 hours 20 minutes You cannot hear the sound of explosion 3.7 hours ANSWER DOWNLOAD EXAMIANS APP
Physics Waves that are required for long distance wireless communication are Ultraviolet rays Infrared rays Microwaves Radio waves Ultraviolet rays Infrared rays Microwaves Radio waves ANSWER DOWNLOAD EXAMIANS APP
Physics The sound produced by a bat is– Audible Subsonic Infrasonic Ultrasonic Audible Subsonic Infrasonic Ultrasonic ANSWER DOWNLOAD EXAMIANS APP
Physics If there were no gravity, which of the following will not be there for a fluid? Upward Thrust Pressure Surface Tension Viscosity Upward Thrust Pressure Surface Tension Viscosity ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following pairs of physical quantities have the same dimensions? Work and Power Momentum and Power Work and Energy Force and Power Work and Power Momentum and Power Work and Energy Force and Power ANSWER DOWNLOAD EXAMIANS APP
Physics Dynamo is a device for converting Heat energy into electrical energy Chemical energy into electrical energy Magnetic energy into electrical energy Mechanical energy into electrical energy Heat energy into electrical energy Chemical energy into electrical energy Magnetic energy into electrical energy Mechanical energy into electrical energy ANSWER DOWNLOAD EXAMIANS APP