Physics The swing of a spinning cricket ball in air can be explained on the basis of Sudden change in wind direction. Bernoulli's theorem. Buoyancy of air. Turbulence caused by wind. Sudden change in wind direction. Bernoulli's theorem. Buoyancy of air. Turbulence caused by wind. 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
Physics What should a person on a freely rotating turn table do to decrease his (angular) speed ? Spread his hands outwards Sit down with raised hands Raise his hands up Bring his hands together Spread his hands outwards Sit down with raised hands Raise his hands up Bring his hands together ANSWER DOWNLOAD EXAMIANS APP
Physics The sound produced by a bat is– Infrasonic Ultrasonic Audible Subsonic Infrasonic Ultrasonic Audible Subsonic ANSWER DOWNLOAD EXAMIANS APP
Physics The S.I. unit of electric charge is : Kelvin Coulomb Ampere E.s.u Kelvin Coulomb Ampere E.s.u ANSWER DOWNLOAD EXAMIANS APP
Physics In a Laser (say neon laser) all the atoms emit the light waves of Same amplitude Same frequency All of these Same phase Same amplitude Same frequency All of these Same phase ANSWER DOWNLOAD EXAMIANS APP