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 It uses more powerful lenses The velocity of electron is smaller than that of visible light The electrons have more energy than the light particles The wavelength of electrons is smaller as compared to the wavelength of visible light It uses more powerful lenses The velocity of electron is smaller than that of visible light The electrons have more energy than the light particles ANSWER DOWNLOAD EXAMIANS APP
Physics Which type of radiation has the lowest penetrating ability? Gamma Beta All of these Alpha Gamma Beta All of these Alpha ANSWER DOWNLOAD EXAMIANS APP
Physics The period of revolution of a certain planet in an orbit of radius R is T. Its period of revolution in an orbit of radius 4R will be: 1 T 4 T 8 T 2 T 1 T 4 T 8 T 2 T ANSWER DOWNLOAD EXAMIANS APP
Physics Light houses are places with powerful lights to : Guide and resolve traffic jams in crowded metro-cities during nights Guide and warn the ships coming from different directions in the ocean Guide and help large crowds at religious gathering during nights Indicate to the incoming warships, the location of a harbour during night Guide and resolve traffic jams in crowded metro-cities during nights Guide and warn the ships coming from different directions in the ocean Guide and help large crowds at religious gathering during nights Indicate to the incoming warships, the location of a harbour during night ANSWER DOWNLOAD EXAMIANS APP
Physics Mach number is used in connection with the speed of sound ships aircraft spacecraft sound ships aircraft spacecraft ANSWER DOWNLOAD EXAMIANS APP
Physics A ball rolling along the ground gradually slows down and finally comes to rest is due to ________ Friction Electrostatic force Magnetic force Muscular force Friction Electrostatic force Magnetic force Muscular force ANSWER DOWNLOAD EXAMIANS APP
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