Physics Hot water is poured simultaneously in four metallic tumblers painted outside with different paints. After some time the water will be found to have cooled most in the tumbler painted. Rough white Rough black Shining white Shining black Rough white Rough black Shining white Shining black ANSWER DOWNLOAD EXAMIANS APP
Physics Which phenomenon is responsible for the echo of sound wave? Polarisation Reflection Interference Refraction Polarisation Reflection Interference Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics In the atmosphere ultraviolet rays are absorbed by Nitrogen Oxygen Helium Ozone Nitrogen Oxygen Helium Ozone ANSWER DOWNLOAD EXAMIANS APP
Physics The speed of sound in air depends on Temperature Wavelength None of these Frequency Temperature Wavelength None of these Frequency ANSWER DOWNLOAD EXAMIANS APP
Physics Air pressure is usually highest when the air is Warm and dry Cool and moist Warm and moist Cool and dry Warm and dry Cool and moist Warm and moist Cool and dry ANSWER DOWNLOAD EXAMIANS APP
Physics In an optical fibre the signal is transmitted Due to total internal reflection In a curved path Due to refraction In a straight line path Due to total internal reflection In a curved path Due to refraction In a straight line path ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS