Physics Ultrasound devices operate with minimum frequency from 35 kHz 20kHz 60 kHz 45 kHz 35 kHz 20kHz 60 kHz 45 kHz ANSWER DOWNLOAD EXAMIANS APP
Physics Frictional force acts in Upward direction All the directions The same direction as the motion The opposite direction of the motion Upward direction All the directions The same direction as the motion The opposite direction of the motion ANSWER DOWNLOAD EXAMIANS APP
Physics Which is a correct way to measure wavelength? Nearest peak to nearest trough Nearest trough to peak None of these Nearest peak to peak Nearest peak to nearest trough Nearest trough to peak None of these Nearest peak to peak ANSWER DOWNLOAD EXAMIANS APP
Physics Stars twinkle because None of these the intensity of light emitted by them changes with time. the refractive index of the different layers of the earth's atmosphere ch the distance of the stars from the earth changes with time. None of these the intensity of light emitted by them changes with time. the refractive index of the different layers of the earth's atmosphere ch the distance of the stars from the earth changes with time. ANSWER DOWNLOAD EXAMIANS APP
Physics Which one is the unit of surface tension of a liquid Electron volt /cm2 None of these Newton /m2 Joule/ mm Electron volt /cm2 None of these Newton /m2 Joule/ mm ANSWER DOWNLOAD EXAMIANS APP
Physics A periscope works by the principle of Total internal reflection Reflection Refraction Diffraction Total internal reflection Reflection Refraction Diffraction ANSWER DOWNLOAD EXAMIANS APP
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