Physics Conversion of sound energy into electrical energy is done by Microphone Loudspeaker Solar cell Gramophone Microphone Loudspeaker Solar cell Gramophone ANSWER DOWNLOAD EXAMIANS APP
Physics In a photocell light energy is converted into Electrical energy Chemical energy Heat energy Potential energy Electrical energy Chemical energy Heat energy Potential energy ANSWER DOWNLOAD EXAMIANS APP
Physics What type of simple machine is an axe? The screw Lever Both A & B Wedge The screw Lever Both A & B Wedge ANSWER DOWNLOAD EXAMIANS APP
Physics The electric current in a metal wire is due to the flow of - Electrons Protons Holes Ions Electrons Protons Holes Ions ANSWER DOWNLOAD EXAMIANS APP
Physics The radiation initially produced in fluorescent tube is Ultraviolet X-rays Microwaves Infrared Ultraviolet X-rays Microwaves Infrared ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is correct about the properties of Gravitational Forces? They are the strongest forces in nature They observe inverse square law None Both a and b They are the strongest forces in nature They observe inverse square law None Both a and b ANSWER DOWNLOAD EXAMIANS APP
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