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 black Rough white Shining white Shining black Rough black Rough white Shining white Shining black ANSWER DOWNLOAD EXAMIANS APP
Physics When a stone is thrown in the calm water of a pond the waves produced on the surface of water in the pond are Both longitudinal and transverse Longitudinal Transverse Waves are not produced Both longitudinal and transverse Longitudinal Transverse Waves are not produced ANSWER DOWNLOAD EXAMIANS APP
Physics A soap bubble shows colours when illuminated with white light. This is due to Polarisation Diffraction Reflection Interference Polarisation Diffraction Reflection Interference ANSWER DOWNLOAD EXAMIANS APP
Physics Two rods, one of copper and other of steel, experience the same upthrust when placed in water.Thus, both have Equal weight Equal volume Equal density Equal mass Equal weight Equal volume Equal density Equal mass ANSWER DOWNLOAD EXAMIANS APP
Physics It is easy to burst a gas-filled balloon with a needle than with a nail. It is because Nail is more longer than needle. Gas is reactive with the needle. Needle exerts more pressure than nail on the balloon. Nail exerts more pressure than needle on the balloon. Nail is more longer than needle. Gas is reactive with the needle. Needle exerts more pressure than nail on the balloon. Nail exerts more pressure than needle on the balloon. ANSWER DOWNLOAD EXAMIANS APP
Physics Cloudy nights are warmer compared to clear cloudless nights, because clouds mainly Absorb heat from the atmosphere send it towards earth Reflect back the heat given by earth Produce heat and radiate it toward earth Prevent cold waves from the sky descending on earth Absorb heat from the atmosphere send it towards earth Reflect back the heat given by earth Produce heat and radiate it toward earth Prevent cold waves from the sky descending on earth ANSWER DOWNLOAD EXAMIANS APP
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