Physics A radioactive substance does not undergo any change (in mass or charge) during Alpha-emission Oxidation Gamma-emission Beta-emission Alpha-emission Oxidation Gamma-emission Beta-emission ANSWER DOWNLOAD EXAMIANS APP
Physics Parsec is the unit of Intensity of light Distance Magnetic line Time Intensity of light Distance Magnetic line Time ANSWER DOWNLOAD EXAMIANS APP
Physics A periscope works by the principle of Diffraction Reflection Total internal reflection Refraction Diffraction Reflection Total internal reflection Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics If a boy sitting in a train, which is moving at a constant velocity, throws a ball straight up into the air, the ball will Fall into his hand Fall in front of him Fall behind him None of these Fall into his hand Fall in front of him Fall behind him None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Lightning is produced when Water vapour produces electricity in the clouds Clouds strike against impurities in air and the friction burns up these impurities 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 Water vapour produces electricity in the clouds Clouds strike against impurities in air and the friction burns up these impurities 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 ANSWER DOWNLOAD EXAMIANS APP
Physics The atmospheric layer reflecting radio waves is called Stratosphere Ionosphere Ozonosphere Mesosphere Stratosphere Ionosphere Ozonosphere Mesosphere ANSWER DOWNLOAD EXAMIANS APP
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