Physics Which type of reaction produces the most harmful radiation ? Photo-Chemical reaction Chemical reaction Fusion reaction Fission reaction Photo-Chemical reaction Chemical reaction Fusion reaction Fission reaction ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not true about X-rays? Travel with the speed of light Have low penetrating power Can affect photographic plates Can be reflected or refracted Travel with the speed of light Have low penetrating power Can affect photographic plates Can be reflected or refracted ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a device designed to protect electrical devices from voltage spikes? Surge protector Current unloader Heat protector Voltage unloader Surge protector Current unloader Heat protector Voltage unloader ANSWER DOWNLOAD EXAMIANS APP
Physics Lightning is produced when Similar charges of electricity rush towards each other and then get repelled 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 Water vapour produces electricity in the clouds Similar charges of electricity rush towards each other and then get repelled 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 Water vapour produces electricity in the clouds ANSWER DOWNLOAD EXAMIANS APP
Physics Sound travels with a different speed in media. In what order does the velocity of sound increase in these media? Water, iron and air Iron, water and air Iron, air and water Air, water and iron Water, iron and air Iron, water and air Iron, air and water Air, water and iron ANSWER DOWNLOAD EXAMIANS APP
Physics At boiling point of liquids, its Temperature remains constant Atmospheric pressure increases Temperature increases Vapour pressure decreases Temperature remains constant Atmospheric pressure increases Temperature increases Vapour pressure decreases ANSWER DOWNLOAD EXAMIANS APP
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