Physics Conversion of sound energy into electrical energy is done by Gramophone Microphone Solar cell Loudspeaker Gramophone Microphone Solar cell Loudspeaker ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of heat radiation in vacuum is Equal to that of sound Equal to that of light Greater than that of light Less than that of light Equal to that of sound Equal to that of light Greater than that of light Less than that of light ANSWER DOWNLOAD EXAMIANS APP
Physics The Laser is a beam of radiations which are Coherent and monochromatic Non-coherent and monochromatic Non-coherent and non-monochromatic Coherent and non-monochromatic Coherent and monochromatic Non-coherent and monochromatic Non-coherent and non-monochromatic Coherent and non-monochromatic ANSWER DOWNLOAD EXAMIANS APP
Physics The speed of sound in air depends on Temperature Frequency Wavelength None of these Temperature Frequency Wavelength None of these ANSWER DOWNLOAD EXAMIANS APP
Physics What is the phenomenon which established the transverse nature of light ? Diffraction Polarisation Interference Reflection Diffraction Polarisation Interference Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics Waves that are required for long distance wireless communication are Microwaves Infrared rays Ultraviolet rays Radio waves Microwaves Infrared rays Ultraviolet rays Radio waves ANSWER DOWNLOAD EXAMIANS APP