Physics A vacuum cleaner works on the principle of pressure difference. On the moon it will Work with increased efficiency Work with reduced efficiency Work as efficiently as on the earth Not work at all Work with increased efficiency Work with reduced efficiency Work as efficiently as on the earth Not work at all ANSWER DOWNLOAD EXAMIANS APP
Physics The sound produced by a bat is– Ultrasonic Subsonic Infrasonic Audible Ultrasonic Subsonic Infrasonic Audible ANSWER DOWNLOAD EXAMIANS APP
Physics Land is considered a resource because it Is always available to use Costs little or nothing to use Requires labor to be useful Is used to produce things Is always available to use Costs little or nothing to use Requires labor to be useful Is used to produce things ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these waves can be polarized ? Sound waves in air Light waves Transverse waves on a string Longitudinal waves on a string Sound waves in air Light waves Transverse waves on a string Longitudinal waves on a string ANSWER DOWNLOAD EXAMIANS APP
Physics In a conductor The forbidden energy gap is very narrow The valence band and the conduction band overlap each other The forbidden energy gap is very wide There is no conduction band The forbidden energy gap is very narrow The valence band and the conduction band overlap each other The forbidden energy gap is very wide There is no conduction band ANSWER DOWNLOAD EXAMIANS APP
Physics The material used in electric heater is Brass Steel Nichrome Tungsten Brass Steel Nichrome Tungsten ANSWER DOWNLOAD EXAMIANS APP
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