Physics The ringing of an electric bell in an enclosed evacuated glass bell jar is not heard outside because There is no air or any other gas in the bell jar The ringing is not loud enough The bell jar is too small The glass of the bell jar absorbs the sound waves There is no air or any other gas in the bell jar The ringing is not loud enough The bell jar is too small The glass of the bell jar absorbs the sound waves ANSWER DOWNLOAD EXAMIANS APP
Physics When the speed of car is doubled, then what will be the braking force of the car to stop it in the same distance ? One-fourth Four times Two times Half One-fourth Four times Two times Half ANSWER DOWNLOAD EXAMIANS APP
Physics The oil in the wick of an oil lamp rises up due to: Capillary action Gravitational force Pressure difference Low viscosity of oil Capillary action Gravitational force Pressure difference Low viscosity of oil ANSWER DOWNLOAD EXAMIANS APP
Physics In a Carnot engine when heat is taken from the source, its temperature Increases Decreases Decreases and then remains constant Remains constant Increases Decreases Decreases and then remains constant Remains constant ANSWER DOWNLOAD EXAMIANS APP
Physics The period of revolution of a certain planet in an orbit of radius R is T. Its period of revolution in an orbit of radius 4R will be: 8 T 1 T 2 T 4 T 8 T 1 T 2 T 4 T ANSWER DOWNLOAD EXAMIANS APP
Physics If the current flowing through a circuit is 0.6 A for 6 mins, the amount of electric charge flowing through it is ________ 60 C 360C 36 C 216 C 60 C 360C 36 C 216 C ANSWER DOWNLOAD EXAMIANS APP
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