Physics A white and smooth surface is Good absorber and good reflector of heat Good absorber and bad reflector of heat Bad absorber and good reflector of heat Bad absorber and bad reflector of heat Good absorber and good reflector of heat Good absorber and bad reflector of heat Bad absorber and good reflector of heat Bad absorber and bad reflector of heat ANSWER DOWNLOAD EXAMIANS APP
Physics Bending of light rays in denser medium is termed as: Deflection Refraction Reflection Dispersion Deflection Refraction Reflection Dispersion ANSWER DOWNLOAD EXAMIANS APP
Physics Lightning is produced when Strong opposite charges in different clouds break down the resistance offered by the intervening air Clouds strike against impurities in air and the friction burns up these impurities Similar charges of electricity rush towards each other and then get repelled Water vapour produces electricity in the clouds Strong opposite charges in different clouds break down the resistance offered by the intervening air Clouds strike against impurities in air and the friction burns up these impurities Similar charges of electricity rush towards each other and then get repelled Water vapour produces electricity in the clouds ANSWER DOWNLOAD EXAMIANS APP
Physics Tungsten is used for the manufacture of the filament of an electric bulb, because It is economical It has a very high melting point It is malleable It is a good conductor It is economical It has a very high melting point It is malleable It is a good conductor ANSWER DOWNLOAD EXAMIANS APP
Physics In a Cinema hall, the distance between the projector and the screen is increased by 2%. Then the intensity of illumination on the screen is Decreased by 4% Decreased by 2% Increased by 4% Increased by 2% Decreased by 4% Decreased by 2% Increased by 4% Increased by 2% ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following statements is true when we see ''rainbow' ? The Sun remains behind us and we face raindrops In light rainfall, we face Sun The sky remains clear and the sun is at lower position in the sky We face sun and raindrops The Sun remains behind us and we face raindrops In light rainfall, we face Sun The sky remains clear and the sun is at lower position in the sky We face sun and raindrops ANSWER DOWNLOAD EXAMIANS APP
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