Physics A boy sitting in a train moving with a uniform velocity drops a coin outside. A man standing outside the train will find the trajectory of the coin to be A circle A parabola A vertical straight line A horizontal straight line A circle A parabola A vertical straight line A horizontal straight line ANSWER DOWNLOAD EXAMIANS APP
Physics Hydraulic machines work under the Principle of : Pascal's Law Floatation Law Newton's Law Joules Law Pascal's Law Floatation Law Newton's Law Joules Law ANSWER DOWNLOAD EXAMIANS APP
Physics The frequency of ultrasound wave is typically Below 20 kHz Below 02 kHz Above 20,000 kHz Above 20 kHz Below 20 kHz Below 02 kHz Above 20,000 kHz Above 20 kHz ANSWER DOWNLOAD EXAMIANS APP
Physics Which layer of the earth's atmosphere reflect back the radio waves to the earth's surface ? Mesosphere Stratosphere Ionosphere Exosphere Mesosphere Stratosphere Ionosphere Exosphere ANSWER DOWNLOAD EXAMIANS APP
Physics Conservation of energy refers to the fact that No chemical reaction is 100 percent efficient Energy cannot be created or destroyed but can be converted from one form to another The entropy of the universe is always increasing If you conserve energy you will not be as tired No chemical reaction is 100 percent efficient Energy cannot be created or destroyed but can be converted from one form to another The entropy of the universe is always increasing If you conserve energy you will not be as tired ANSWER DOWNLOAD EXAMIANS APP
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 20 J 400J 40J 200J 20 J 400J 40J ANSWER DOWNLOAD EXAMIANS APP
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