Physics A body of 4.0 kg is lying at rest. Under the action of a constant force, it gains a speed of 5 m/s. The work done by the force will be ________ 20 J 50 J 30 J 40 J 20 J 50 J 30 J 40 J ANSWER DOWNLOAD EXAMIANS APP
Physics X–rays are Positively charged particles Negatively charged particles None of these Neutral particles Positively charged particles Negatively charged particles None of these Neutral particles ANSWER DOWNLOAD EXAMIANS APP
Physics Anemometer is an instrument meant for measuring ________ Temperature Wind speed Velocity Air masses Temperature Wind speed Velocity Air masses ANSWER DOWNLOAD EXAMIANS APP
Physics Moving electric charge produces : Sound waves Heat waves Magnetic field Light rays Sound waves Heat waves Magnetic field Light rays ANSWER DOWNLOAD EXAMIANS APP
Physics Inside an aeroplane, flying at a high altitude, normal humidity and partial vacuum are maintained. the pressure inside is less than the pressure outside. the pressure is the same as that outside. normal atmospheric pressure is maintained by the use of air pumps. normal humidity and partial vacuum are maintained. the pressure inside is less than the pressure outside. the pressure is the same as that outside. normal atmospheric pressure is maintained by the use of air pumps. ANSWER DOWNLOAD EXAMIANS APP
Physics What changes will happen to a bowl of ice and water kept at exactly zero degree Celsius ? No change will happen Only some ice will melt All ice will melt All water will become ice No change will happen Only some ice will melt All ice will melt All water will become ice ANSWER DOWNLOAD EXAMIANS APP
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