Physics Who gave black hole theory? Isaac Newton Albert Einstein Stephen Hawking None of these Isaac Newton Albert Einstein Stephen Hawking None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Rainbow is due to refraction and reflection of sunlight by water droplets ionisation of water deposits absorption of sunlight in minute water droplets diffusion of sunlight through water droplets refraction and reflection of sunlight by water droplets ionisation of water deposits absorption of sunlight in minute water droplets diffusion of sunlight through water droplets ANSWER DOWNLOAD EXAMIANS APP
Physics Large transformers, when used for some time, become very hot and are cooled by circulating oil. The heating of the transformer is due to: Intense sunlight at noon Both the heating effect of current and hysteresis loss Hysteresis loss alone The heating effect of current alone Intense sunlight at noon Both the heating effect of current and hysteresis loss Hysteresis loss alone The heating effect of current alone ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a good conductor of heat but a bad conductor of electricity ? Mica Rubber Asbestos Celluloid Mica Rubber Asbestos Celluloid ANSWER DOWNLOAD EXAMIANS APP
Physics Tungsten is used for the manufacture of the filament of an electric bulb, because It is economical It is a good conductor It has a very high melting point It is malleable It is economical It is a good conductor It has a very high melting point It is malleable ANSWER DOWNLOAD EXAMIANS APP
Physics Intensity of sound has both subjective and objective existence a subject existence no existence an object existence both subjective and objective existence a subject existence no existence an object existence ANSWER DOWNLOAD EXAMIANS APP
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