Physics Acceptable noise level for human ear < 85 db None of these > 85 db = 85 db < 85 db None of these > 85 db = 85 db ANSWER DOWNLOAD EXAMIANS APP
Physics In mirrors the back surface is coated with a thin layer of : Silver Silver nitrate Red oxide Mercury Silver Silver nitrate Red oxide Mercury ANSWER DOWNLOAD EXAMIANS APP
Physics The device which converts AC to DC is Amplifier None of these Rectifier Oscillator Amplifier None of these Rectifier Oscillator ANSWER DOWNLOAD EXAMIANS APP
Physics What is the change in the angular momentum of a system as per the Law of Conservation of Angular momentum, if the total external torque acting is zero? Increases exponentially None of these Remains constant Becomes zero Increases exponentially None of these Remains constant Becomes zero ANSWER DOWNLOAD EXAMIANS APP
Physics Gasoline is useful in cars because it has Chemical potential energy Kinetic energy Gravitational potential energy Electrical potential energy Chemical potential energy Kinetic energy Gravitational potential energy Electrical potential energy ANSWER DOWNLOAD EXAMIANS APP
Physics Hydraulic brakes work on the principle of Thomson's law Newton's law Pascal's law Bernoulli's theorem Thomson's law Newton's law Pascal's law Bernoulli's theorem ANSWER DOWNLOAD EXAMIANS APP
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