Physics When light passes from one medium to another, this phenomenon of change in its direction is called ________ No option is correct Refraction Diffraction Propagation No option is correct Refraction Diffraction Propagation ANSWER DOWNLOAD EXAMIANS APP
Physics Which has the lowest albedo? Light surfaces Both A & B Dark surfaces None of these Light surfaces Both A & B Dark surfaces None of these ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of the sound is highest in Vacuum Air Water Metal Vacuum Air Water Metal ANSWER DOWNLOAD EXAMIANS APP
Physics The light rays used for eliminating bacteria Microwave radiation Infrared rays X-rays Ultra-violet radiation Microwave radiation Infrared rays X-rays Ultra-violet radiation ANSWER DOWNLOAD EXAMIANS APP
Physics Railway tracks are banked on curves so that The train may not fall down inwards Necessary centrifugal force may be obtained from the horizontal component of the weight of the train No frictional force may be produced between the tracks and the wheels of the train Necessary centripetal force may be obtained from the horizontal component of the weight of the train The train may not fall down inwards Necessary centrifugal force may be obtained from the horizontal component of the weight of the train No frictional force may be produced between the tracks and the wheels of the train Necessary centripetal force may be obtained from the horizontal component of the weight of the train ANSWER DOWNLOAD EXAMIANS APP
Physics Rolling friction is caused by ________ Power dissipation Buoyancy Non-elastic effects Gravity Power dissipation Buoyancy Non-elastic effects Gravity ANSWER DOWNLOAD EXAMIANS APP
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