Physics Conversion of sound energy into electrical energy is done by Microphone Solar cell Loudspeaker Gramophone Microphone Solar cell Loudspeaker Gramophone ANSWER DOWNLOAD EXAMIANS APP
Physics To resolve an object in an electron microscope, None of these The wavelength of the electrons must be greater than the diameter of the object. Both A & B The wavelength of the electrons must be close to the diameter of the object None of these The wavelength of the electrons must be greater than the diameter of the object. Both A & B The wavelength of the electrons must be close to the diameter of the object ANSWER DOWNLOAD EXAMIANS APP
Physics In severe winter, in cold countries water pipes burst because High atmospheric pressure Contraction of water pipes Combined effect of all the above three Water expands on freezing High atmospheric pressure Contraction of water pipes Combined effect of all the above three Water expands on freezing ANSWER DOWNLOAD EXAMIANS APP
Physics The force that generates wind is Pressure gradient force Gravity force Coriolis force Centrifugal force Pressure gradient force Gravity force Coriolis force Centrifugal force ANSWER DOWNLOAD EXAMIANS APP
Physics Nuclear sizes are expressed in a unit named Fermi Angstrom Newton Tesla Fermi Angstrom Newton Tesla ANSWER DOWNLOAD EXAMIANS APP
Physics When pressure is increased the melting point of ice Does not change Decreases Depends on the impurities in the ice Increases Does not change Decreases Depends on the impurities in the ice Increases ANSWER DOWNLOAD EXAMIANS APP
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