Physics Which of the following is a good conductor of heat but a bad conductor of electricity ? Asbestos Rubber Mica Celluloid Asbestos Rubber Mica Celluloid ANSWER DOWNLOAD EXAMIANS APP
Physics If a person moves a trolley for a distance of 10 m with a force of 50 N, then the work done is 500 J 0.2 J 5 J 20 J 500 J 0.2 J 5 J 20 J ANSWER DOWNLOAD EXAMIANS APP
Physics A body is initially moving with a velocity of 5 m/s. It undergoes an acceleration of 2 m/s2 for 4 seconds. Find the displacement (in m) of this body in these 4 seconds. 36 72 4 8 36 72 4 8 ANSWER DOWNLOAD EXAMIANS APP
Physics Two metallic wires made from copper have same length but the radius of wire 1 is half of that of wire 2. The resistance of wire 1 is R. If both the wires are joined together in series, the total resistance becomes 5R/4 3R/4 R/2 2R 5R/4 3R/4 R/2 2R ANSWER DOWNLOAD EXAMIANS APP
Physics Why do birds not have respiratory trouble at the time of flying at high altitude ? They have extra air sacs They use less oxygen They fly inactively Their lungs are very large They have extra air sacs They use less oxygen They fly inactively Their lungs are very large ANSWER DOWNLOAD EXAMIANS APP
Physics In nuclear reactor, heavy water is used as Fuel Atomic smasher Moderator Coolant Fuel Atomic smasher Moderator Coolant ANSWER DOWNLOAD EXAMIANS APP
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