Physics In a Carnot engine when heat is taken from the source, its temperature Decreases and then remains constant Remains constant Increases Decreases Decreases and then remains constant Remains constant Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Physics A hydrogen balloon floats up because of Weight of the balloon is less than the weight of air displaced by it. Air pressure decreases with decrease in height The pressure inside the balloon is more than the pressure outside it Air pressure decreases with decrease in weight Weight of the balloon is less than the weight of air displaced by it. Air pressure decreases with decrease in height The pressure inside the balloon is more than the pressure outside it Air pressure decreases with decrease in weight ANSWER DOWNLOAD EXAMIANS APP
Physics An image formed by a plane mirror, that cannot be obtained on a screen is called ________ Erect image Inverted image Virtual image Real image Erect image Inverted image Virtual image Real image ANSWER DOWNLOAD EXAMIANS APP
Physics Which tube used to produce X-ray? Coolidge tube None of these Roentgen X-ray tube Coolidge tube None of these Roentgen X-ray tube ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these travels in glass with minimum velocity ? Yellow light Green light Red light Violet light Yellow light Green light Red light Violet light ANSWER DOWNLOAD EXAMIANS APP
Physics A metal-semiconductor junction diode is called ________ P-N Juction diode Photo diode Schottky diode Tunnel diode P-N Juction diode Photo diode Schottky diode Tunnel diode ANSWER DOWNLOAD EXAMIANS APP
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