Physics A doppler effect occurs when a source of sound moves None of these Towards you Away from you Both A & B None of these Towards you Away from you Both A & B ANSWER DOWNLOAD EXAMIANS APP
Physics Which determines the frequency of a sound wave? Medium Speed Amplitude Source Medium Speed Amplitude Source ANSWER DOWNLOAD EXAMIANS APP
Physics Out of the following, which is not emitted by radioactive substance? Electrons Electromagnetic radiations Alpha particles Neutrons Electrons Electromagnetic radiations Alpha particles Neutrons ANSWER DOWNLOAD EXAMIANS APP
Physics What device converts light energy to electrical energy? Photovoltaic cell Thermocouple Photodiode Heliostats Photovoltaic cell Thermocouple Photodiode Heliostats ANSWER DOWNLOAD EXAMIANS APP
Physics Bending of light rays in denser medium is termed as: Dispersion Deflection Reflection Refraction Dispersion Deflection Reflection Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics Atomic hydrogen has a life period of One hour One day One minute A fraction of a second One hour One day One minute A fraction of a second ANSWER DOWNLOAD EXAMIANS APP
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