Physics Lightning is produced when 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 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 Energy travels from Sun to Earth through Conduction Convection Radiation Modulation Conduction Convection Radiation Modulation ANSWER DOWNLOAD EXAMIANS APP
Physics On a stationary sail boat, air is blown from a fan attached to the boat. The boat spins around moves in opposite direction in which the air is blown does not move moves in the same direction in which air blows spins around moves in opposite direction in which the air is blown does not move moves in the same direction in which air blows ANSWER DOWNLOAD EXAMIANS APP
Physics Intensity of gravitational field of earth is maximum at Centre of earth Surface Poles Equator Centre of earth Surface Poles Equator ANSWER DOWNLOAD EXAMIANS APP
Physics In MRI machine, which one of the following is used? X-ray Ultra-sound wave Magnetic wave Sound wave X-ray Ultra-sound wave Magnetic wave Sound wave ANSWER DOWNLOAD EXAMIANS APP
Physics According to the theory of relativity, which of the following always remains constant ? Length of an object Time Velocity of light Space Length of an object Time Velocity of light Space ANSWER DOWNLOAD EXAMIANS APP