Physics What type of heat transfer is boiling water? Radiation None of these Convection Conduction Radiation None of these Convection Conduction ANSWER DOWNLOAD EXAMIANS APP
Physics Ozone layer above the surface of Earth provides a shield against X-rays Ultra-violet rays Infra-red rays Gamma rays X-rays Ultra-violet rays Infra-red rays Gamma rays ANSWER DOWNLOAD EXAMIANS APP
Physics A transformer Is used to decrease or increase AC voltage Converts DC to AC Converts AC voltage to D.C. voltage Converts electrical energy into mechanical energy Is used to decrease or increase AC voltage Converts DC to AC Converts AC voltage to D.C. voltage Converts electrical energy into mechanical energy ANSWER DOWNLOAD EXAMIANS APP
Physics The speed of sound in air depends on Frequency Temperature None of these Wavelength Frequency Temperature None of these Wavelength ANSWER DOWNLOAD EXAMIANS APP
Physics Name the process by which bubbles from liquid are formed? Effervescence Surface Energy Degasification Surface Tension Effervescence Surface Energy Degasification Surface Tension ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following ray has minimum wavelength Utraviolet ray X-rays Cosmic ray Gamma ray Utraviolet ray X-rays Cosmic ray Gamma ray ANSWER DOWNLOAD EXAMIANS APP
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