Physics Electromagnetic waves are transverse in nature is evident by Polarisation Diffraction Reflection Interference Polarisation Diffraction Reflection Interference ANSWER DOWNLOAD EXAMIANS APP
Physics A decibel is The wavelength of noise A musical instrument A musical note A measure of sound level The wavelength of noise A musical instrument A musical note A measure of sound level ANSWER DOWNLOAD EXAMIANS APP
Physics Sound becomes hazardous noise pollution at decibels? Above 30 db Above 80 db Above 120 db Above 50 db Above 30 db Above 80 db Above 120 db Above 50 db ANSWER DOWNLOAD EXAMIANS APP
Physics At boiling point of liquids, its Temperature increases Vapour pressure decreases Temperature remains constant Atmospheric pressure increases Temperature increases Vapour pressure decreases Temperature remains constant Atmospheric pressure increases ANSWER DOWNLOAD EXAMIANS APP
Physics Light travels at the fastest speed in: vacuum water glass hydrogen vacuum water glass hydrogen ANSWER DOWNLOAD EXAMIANS APP
Physics The function of ball bearings in a wheel is : To convert kinetic friction into rolling friction Just for convenience To increase friction To convert static friction into kinetic friction To convert kinetic friction into rolling friction Just for convenience To increase friction To convert static friction into kinetic friction ANSWER DOWNLOAD EXAMIANS APP
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