Physics What type of lens is used in a magnifying glass Concave Plano-concave None of these Convex Concave Plano-concave None of these Convex ANSWER DOWNLOAD EXAMIANS APP
Physics The instrument which uses sound waves to measure the depth of oceans is Radar Altimeter Sonar Venturimeter Radar Altimeter Sonar Venturimeter ANSWER DOWNLOAD EXAMIANS APP
Physics A boy sitting in an open car moving with the constant speed throws a ball straight up into the air. The ball falls In front of him Behind him Into his hand By his side In front of him Behind him Into his hand By his side ANSWER DOWNLOAD EXAMIANS APP
Physics Echolocation is an adaptation bats use to Hunt insects in flight Locate flowering plants Find warm places for hibernation All of these Hunt insects in flight Locate flowering plants Find warm places for hibernation All of these ANSWER DOWNLOAD EXAMIANS APP
Physics Electron microscope works on which of the following principles? Wave Nature of electrons Motion of charged particle in electromagnetic fields Faraday's law of Electromagnetic induction Optical interference Wave Nature of electrons Motion of charged particle in electromagnetic fields Faraday's law of Electromagnetic induction Optical interference ANSWER DOWNLOAD EXAMIANS APP
Physics A photo-electric cell converts Light energy to electrical energy Mechanical energy to electric energy Light energy to chemical energy Heat energy to mechanical energy Light energy to electrical energy Mechanical energy to electric energy Light energy to chemical energy Heat energy to mechanical energy ANSWER DOWNLOAD EXAMIANS APP
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