Physics Why two thin shirts can keep us warmer than a single thick shirt in winter ? No radiation of heat takes place Air layer between two shirts works as good conductor Air layer between two shirts behaves like insulating media Two thin shirts become thicker so prevent transmission of heat No radiation of heat takes place Air layer between two shirts works as good conductor Air layer between two shirts behaves like insulating media Two thin shirts become thicker so prevent transmission of heat ANSWER DOWNLOAD EXAMIANS APP
Physics Stationary wave is formed by Two waves of same frequency travelling in the opposite direction Two waves of same frequency travelling in the same direction Two waves of the same speed superposing A transverse wave superposing a longitudinal wave Two waves of same frequency travelling in the opposite direction Two waves of same frequency travelling in the same direction Two waves of the same speed superposing A transverse wave superposing a longitudinal wave ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following has the highest value of specific heat? Glass Lead Copper Water Glass Lead Copper Water ANSWER DOWNLOAD EXAMIANS APP
Physics Golden view of sea shell is due to Diffraction Dispersion Polarization Reflection Diffraction Dispersion Polarization Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics Magnetic keepers are used to protect magnets from : Self-demagnetization Demagnetization due to heating Effect of other magnets Earth's magnetic field Self-demagnetization Demagnetization due to heating Effect of other magnets Earth's magnetic field ANSWER DOWNLOAD EXAMIANS APP
Physics Contact force is another name for ________ Electrostatic force Magnetic force Friction Muscular force Electrostatic force Magnetic force Friction Muscular force ANSWER DOWNLOAD EXAMIANS APP
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