Physics An electron microscope gives higher magnification than an optical microscope, because : The wavelength of electrons is smaller as compared to the wavelength of visible light The electrons have more energy than the light particles The velocity of electron is smaller than that of visible light It uses more powerful lenses The wavelength of electrons is smaller as compared to the wavelength of visible light The electrons have more energy than the light particles The velocity of electron is smaller than that of visible light It uses more powerful lenses ANSWER DOWNLOAD EXAMIANS APP
Physics The impurity atoms with which silicon should be doped to make p-type semiconductors are Phosphorus Antimony Germanium Boron Phosphorus Antimony Germanium Boron ANSWER DOWNLOAD EXAMIANS APP
Physics Magnetic keepers are used to protect magnets from : Effect of other magnets Earth's magnetic field Self-demagnetization Demagnetization due to heating Effect of other magnets Earth's magnetic field Self-demagnetization Demagnetization due to heating ANSWER DOWNLOAD EXAMIANS APP
Physics The force that keeps a body in a circular motion called The centripetal force All listed here The centrifugual force The frictional force The centripetal force All listed here The centrifugual force The frictional force ANSWER DOWNLOAD EXAMIANS APP
Physics In the atmosphere ultraviolet rays are absorbed by Helium Oxygen Ozone Nitrogen Helium Oxygen Ozone Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following represents a relation for ''heat lost = heat gained'? Principle of thermal equilibrium Principle of calorimetry Principle of colors Principle of vaporization Principle of thermal equilibrium Principle of calorimetry Principle of colors Principle of vaporization ANSWER DOWNLOAD EXAMIANS APP
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