Physics Conversion of sound energy into electrical energy is done by Microphone Gramophone Solar cell Loudspeaker Microphone Gramophone Solar cell Loudspeaker ANSWER DOWNLOAD EXAMIANS APP
Physics Solar cells work on the principle of Photovoltaic effect Photosynthesis Photoelectric effect Photoconductive effect Photovoltaic effect Photosynthesis Photoelectric effect Photoconductive effect ANSWER DOWNLOAD EXAMIANS APP
Physics A rear-view mirror for driving is Inverted Convex Plain Concave Inverted Convex Plain Concave ANSWER DOWNLOAD EXAMIANS APP
Physics What is a neuron ? Basic unit of energy The anti-particle of neutron Particle released during radioactivity Basic unit of nervous system Basic unit of energy The anti-particle of neutron Particle released during radioactivity Basic unit of nervous system ANSWER DOWNLOAD EXAMIANS APP
Physics A balloon filled with hydrogen will Continue going upwards uninterrupted Reach a particular height and start coming down Reach a particular height and remain floating Burst after reaching some height Continue going upwards uninterrupted Reach a particular height and start coming down Reach a particular height and remain floating Burst after reaching some height ANSWER DOWNLOAD EXAMIANS APP
Physics To prevent damage from lightning, lightning conductors are used on tall structures. The lightning conductor Should be made of a good conductor like copper with sharp-pointed edges Should be in the form of a vertical rod Should be made of a good conductor but can be of any shape Can be of any shape Should be made of a good conductor like copper with sharp-pointed edges Should be in the form of a vertical rod Should be made of a good conductor but can be of any shape Can be of any shape ANSWER DOWNLOAD EXAMIANS APP
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