Physics An electron microscope gives higher magnification than an optical microscope, because : 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 The wavelength of electrons is smaller as compared to the wavelength of visible light The electrons have more energy than the light particles ANSWER DOWNLOAD EXAMIANS APP
Physics Optical fiber works on the principle of Total internal reflection Refraction Interference Scattering Total internal reflection Refraction Interference Scattering ANSWER DOWNLOAD EXAMIANS APP
Physics A mirage occurs because of Total internal reflection by layers of air Diffraction of light Reflection by hot ground Interference of light Total internal reflection by layers of air Diffraction of light Reflection by hot ground Interference of light ANSWER DOWNLOAD EXAMIANS APP
Physics Sir C.V. Raman was awarded Nobel Prize for his work connected with which of the following phenomenon of radiation? Diffraction Polarization Interference Scattering Diffraction Polarization Interference Scattering ANSWER DOWNLOAD EXAMIANS APP
Physics A periscope works by the principle of Refraction Total internal reflection Reflection Diffraction Refraction Total internal reflection Reflection Diffraction ANSWER DOWNLOAD EXAMIANS APP
Physics What should a person on a freely rotating turn table do to decrease his (angular) speed ? Raise his hands up Bring his hands together Sit down with raised hands Spread his hands outwards Raise his hands up Bring his hands together Sit down with raised hands Spread his hands outwards ANSWER DOWNLOAD EXAMIANS APP