Physics A person lifts luggage of 20 kg from the ground and puts it on his head 2m above the ground. Calculate the work done by him. (g = 10 ) 200J 40J 400J 20 J 200J 40J 400J 20 J ANSWER DOWNLOAD EXAMIANS APP
Physics The time period of a seconds pendulum is 0.5 second 1.5 second 2 seconds 1 second 0.5 second 1.5 second 2 seconds 1 second ANSWER DOWNLOAD EXAMIANS APP
Physics In a particular system, the units of length, mass and time are chosen to be 10 cm, 10 g and 0.1 s respectively. The unit of force in this system will be equivalent to 0.1 N 10 N 1 N 100 N 0.1 N 10 N 1 N 100 N ANSWER DOWNLOAD EXAMIANS APP
Physics The laws which govern the motion of planets are called ________ Newton's Laws Kepler's Laws Avogadro's laws De Morgan's Laws Newton's Laws Kepler's Laws Avogadro's laws De Morgan's Laws ANSWER DOWNLOAD EXAMIANS APP
Physics A needle or a pin floats on the surface of water because of Viscosity Adhesive force Surface energy Surface tension Viscosity Adhesive force Surface energy Surface tension ANSWER DOWNLOAD EXAMIANS APP
Physics Flywheel is an important part of a steam engine because it : 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 Accelerates the speed of the engine Helps the engine in keeping the speed uniform ANSWER DOWNLOAD EXAMIANS APP
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