Physics Sound waves cannot travel in Vacuum Glass Water Hydrogen gas Vacuum Glass Water Hydrogen gas ANSWER DOWNLOAD EXAMIANS APP
Physics Light travels fastest in Diamond Water Air Glass Diamond Water Air Glass ANSWER DOWNLOAD EXAMIANS APP
Physics Stationary wave is formed by Two waves of the same speed superposing A transverse wave superposing a longitudinal wave Two waves of same frequency travelling in the same direction Two waves of same frequency travelling in the opposite direction Two waves of the same speed superposing A transverse wave superposing a longitudinal wave Two waves of same frequency travelling in the same direction Two waves of same frequency travelling in the opposite direction ANSWER DOWNLOAD EXAMIANS APP
Physics Why two thin shirts can keep us warmer than a single thick shirt in winter ? Air layer between two shirts works as good conductor Two thin shirts become thicker so prevent transmission of heat No radiation of heat takes place Air layer between two shirts behaves like insulating media Air layer between two shirts works as good conductor Two thin shirts become thicker so prevent transmission of heat No radiation of heat takes place Air layer between two shirts behaves like insulating media ANSWER DOWNLOAD EXAMIANS APP
Physics Magnetic keepers are used to protect magnets from : Earth's magnetic field Demagnetization due to heating Effect of other magnets Self-demagnetization Earth's magnetic field Demagnetization due to heating Effect of other magnets Self-demagnetization ANSWER DOWNLOAD EXAMIANS APP
Physics The slope of a velocity-time graph represents Distance Speed Acceleration Displacement Distance Speed Acceleration Displacement ANSWER DOWNLOAD EXAMIANS APP
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