Physics A hydrogen balloon floats up because of Air pressure decreases with decrease in weight Weight of the balloon is less than the weight of air displaced by it. The pressure inside the balloon is more than the pressure outside it Air pressure decreases with decrease in height Air pressure decreases with decrease in weight Weight of the balloon is less than the weight of air displaced by it. The pressure inside the balloon is more than the pressure outside it Air pressure decreases with decrease in height ANSWER DOWNLOAD EXAMIANS APP
Physics Which physicists is the writer of the book 'A Brief History of Time'? Isaac Newton Albert Einstein Stephen Hawking Hans Bethe Isaac Newton Albert Einstein Stephen Hawking Hans Bethe ANSWER DOWNLOAD EXAMIANS APP
Physics An image formed by a plane mirror, that cannot be obtained on a screen is called ________ Virtual image Inverted image Erect image Real image Virtual image Inverted image Erect image Real image ANSWER DOWNLOAD EXAMIANS APP
Physics Sound waves in air are transverse polarised electromagnetic longitudinal transverse polarised electromagnetic longitudinal ANSWER DOWNLOAD EXAMIANS APP
Physics The freezing point of fresh water is ________ . 4°C 0°C 5°C 3°C 4°C 0°C 5°C 3°C ANSWER DOWNLOAD EXAMIANS APP
Physics Oil rises up the wick in a lamp because Of the surface tension phenomenon Of the capillary action phenomenon Oil is very light Of the diffusion of oil through the wick Of the surface tension phenomenon Of the capillary action phenomenon Oil is very light Of the diffusion of oil through the wick ANSWER DOWNLOAD EXAMIANS APP
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