Physics Lightning is produced when 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 Similar charges of electricity rush towards each other and then get repelled ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of sound in moist air is more than in dry air because the moist air has Less density than dry air. More pressure than dry air. More density than dry air. Less pressure than dry air. Less density than dry air. More pressure than dry air. More density than dry air. Less pressure than dry air. ANSWER DOWNLOAD EXAMIANS APP
Physics A passenger standing in a bus is thrown outward when the bus takes a sudden turn. This happens due to Change in acceleration Inertia of motion Outward pull on him Change in momentum Change in acceleration Inertia of motion Outward pull on him Change in momentum ANSWER DOWNLOAD EXAMIANS APP
Physics A balloon filled with hydrogen will Burst after reaching some height Reach a particular height and remain floating Continue going upwards uninterrupted Reach a particular height and start coming down Burst after reaching some height Reach a particular height and remain floating Continue going upwards uninterrupted Reach a particular height and start coming down ANSWER DOWNLOAD EXAMIANS APP
Physics A fresh egg when placed in salt water will Burst Sink and go to the bottom Sink but will not go to the bottom Float Burst Sink and go to the bottom Sink but will not go to the bottom Float ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following phenomenon helps to conclude that light is a transverse wave? Refraction Diffraction Interference Polarisation Refraction Diffraction Interference Polarisation ANSWER DOWNLOAD EXAMIANS APP
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