Physics Flywheel is an important part of a steam engine because it : Accelerates the speed of the engine Helps the engine in keeping the speed uniform Decreases the moment of inertia Gives strength to the engine Accelerates the speed of the engine Helps the engine in keeping the speed uniform Decreases the moment of inertia Gives strength to the engine ANSWER DOWNLOAD EXAMIANS APP
Physics A parallel-plate capacitor,with air in between the plates, has capacitance C. Now the space between the two plates of the capacitor is filled with a dielectric of dielectric constant 7. Then the value of the capacitance will become C C/7 7C 14C C C/7 7C 14C ANSWER DOWNLOAD EXAMIANS APP
Physics An optically plane surface reflects a beam of light As a diffused beam in one direction As a parallel beam in one direction As parallel beams in all directions As diffused beams in all directions As a diffused beam in one direction As a parallel beam in one direction As parallel beams in all directions As diffused beams in all directions ANSWER DOWNLOAD EXAMIANS APP
Physics Red is used as an emergency or danger signal as It is scattered Its wavelength is the longest It is a striking colour It has very high energy It is scattered Its wavelength is the longest It is a striking colour It has very high energy ANSWER DOWNLOAD EXAMIANS APP
Physics In a refrigerator what produces the cooling ? None of these The sudden expansion of a compressed gas The evaporation of a volatile liquid The ice which deposits on the freezer None of these The sudden expansion of a compressed gas The evaporation of a volatile liquid The ice which deposits on the freezer ANSWER DOWNLOAD EXAMIANS APP
Physics The speed of sound in air depends on Temperature None of these Frequency Wavelength Temperature None of these Frequency Wavelength ANSWER DOWNLOAD EXAMIANS APP
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