Physics Which of the following is a renewable resource of energy? Hydrogen fuel Solar energy All of these Wind energy Hydrogen fuel Solar energy All of these Wind energy ANSWER DOWNLOAD EXAMIANS APP
Physics A bimetal made copper and iron strips welded together is straight at room temperature. It is held vertically with iron strip towards left and copper strip towards right. If this bimetal is heated, it will Bend towards right Remain straight None of these Bend towards left Bend towards right Remain straight None of these Bend towards left ANSWER DOWNLOAD EXAMIANS APP
Physics Acceptable noise level for human ear < 85 db None of these = 85 db > 85 db < 85 db None of these = 85 db > 85 db ANSWER DOWNLOAD EXAMIANS APP
Physics What happens to a liquid, when the vapour pressure equals the atmospheric pressure? The liquid cools No change The liquid evaporates The liquid boils The liquid cools No change The liquid evaporates The liquid boils ANSWER DOWNLOAD EXAMIANS APP
Physics One can distinguish a telescope from a microscope by observing Length and size of the lens Size of the lens Colour Length Length and size of the lens Size of the lens Colour Length ANSWER DOWNLOAD EXAMIANS APP
Physics Lightning is produced when Similar charges of electricity rush towards each other and then get repelled Clouds strike against impurities in air and the friction burns up these impurities Water vapour produces electricity in the clouds Strong opposite charges in different clouds break down the resistance offered by the intervening air Similar charges of electricity rush towards each other and then get repelled Clouds strike against impurities in air and the friction burns up these impurities Water vapour produces electricity in the clouds Strong opposite charges in different clouds break down the resistance offered by the intervening air ANSWER DOWNLOAD EXAMIANS APP
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