Physics Why does a cannon recoil after firing ? Backward thrust of gases produced Newton's first law of motion Conservation of energy Newton's third law of motion Backward thrust of gases produced Newton's first law of motion Conservation of energy Newton's third law of motion ANSWER DOWNLOAD EXAMIANS APP
Physics A voltaic cell converts chemical energy to Electrical energy Mechanical energy Light energy Heat energy Electrical energy Mechanical energy Light energy Heat energy ANSWER DOWNLOAD EXAMIANS APP
Physics The moment of inertia of a body does not depend upon The angular speed of the body The mass of the body The axis of rotation of the body The mass distribution in the body The angular speed of the body The mass of the body The axis of rotation of the body The mass distribution in the body 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 14C 7C C/7 C 14C 7C C/7 C ANSWER DOWNLOAD EXAMIANS APP
Physics X-rays region lies between Gamma-rays and ultraviolet region Visible and infra-red region Short radio waves and long radio waves Ultraviolet and visible region Gamma-rays and ultraviolet region Visible and infra-red region Short radio waves and long radio waves Ultraviolet and visible region ANSWER DOWNLOAD EXAMIANS APP
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