Physics An electron microscope gives higher magnification than an optical microscope, because : It uses more powerful lenses The wavelength of electrons is smaller as compared to the wavelength of visible light The velocity of electron is smaller than that of visible light The electrons have more energy than the light particles It uses more powerful lenses The wavelength of electrons is smaller as compared to the wavelength of visible light 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 When two similar sources vibrate with slightly different frequencies, a regular rise and fall occurs in the loudness of tone. This phenomenon is known as Resonance Echo Doppler effect Beats Resonance Echo Doppler effect Beats ANSWER DOWNLOAD EXAMIANS APP
Physics Quality of transmission depends upon Nature of signal only Neither A nor B Nature of medium only Both (A) and (B) Nature of signal only Neither A nor B Nature of medium only Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Physics Where do the electrical charges reside in a charged conductor? Outer surface of the body At the core Throughout the body Depended upon the nature of the body Outer surface of the body At the core Throughout the body Depended upon the nature of the body ANSWER DOWNLOAD EXAMIANS APP
Physics Conversion of sound energy into electrical energy is done by Solar cell Loudspeaker Gramophone Microphone Solar cell Loudspeaker Gramophone Microphone ANSWER DOWNLOAD EXAMIANS APP
Physics If there were no gravity, which of the following will not be there for a fluid? Surface Tension Pressure Upward Thrust Viscosity Surface Tension Pressure Upward Thrust Viscosity ANSWER DOWNLOAD EXAMIANS APP