Physics In a Carnot engine when heat is taken from the source, its temperature Decreases and then remains constant Remains constant Decreases Increases Decreases and then remains constant Remains constant Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Physics When two similar sources vibrate with slightly different frequencies, a regular rise and fall occurs in the loudness of tone. This phenomenon is known as Resonance Beats Doppler effect Echo Resonance Beats Doppler effect Echo ANSWER DOWNLOAD EXAMIANS APP
Physics Fibre optics work on the principle of Scattering of light Optical rotation Total internal reflection Total internal absorption Scattering of light Optical rotation Total internal reflection Total internal absorption ANSWER DOWNLOAD EXAMIANS APP
Physics A tennis ball machine serves a ball vertically into the air from a height of 2 feet, with an initial speed of 110 feet per second. After how many seconds does the ball attain its maximum height? 2.87 sec 4.65 sec 5.41 sec 3.44 sec 2.87 sec 4.65 sec 5.41 sec 3.44 sec ANSWER DOWNLOAD EXAMIANS APP
Physics Longitudinal waves cannot travel through Solid Vacuum Gas Liquid Solid Vacuum Gas Liquid ANSWER DOWNLOAD EXAMIANS APP
Physics Flemings ''Left hand Rule" is associated with the effect of Magnetic Field on current Electric field on magnet Electric field on current Magnetic field on magnet Magnetic Field on current Electric field on magnet Electric field on current Magnetic field on magnet ANSWER DOWNLOAD EXAMIANS APP
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