Physics Rolling friction is caused by ________ Non-elastic effects Power dissipation Buoyancy Gravity Non-elastic effects Power dissipation Buoyancy Gravity ANSWER DOWNLOAD EXAMIANS APP
Physics The instrument used to measure the speed of the wind is Chronometer Altimeter Dosimeter Anemometer Chronometer Altimeter Dosimeter Anemometer ANSWER DOWNLOAD EXAMIANS APP
Physics What is the principle of a ''Life Jacket"? It provides oxygen to a drowning person It decreases the volume of the person to keep him afloat It increases the volume of the person to keep him afloat The person can sit on it like a raft It provides oxygen to a drowning person It decreases the volume of the person to keep him afloat It increases the volume of the person to keep him afloat The person can sit on it like a raft ANSWER DOWNLOAD EXAMIANS APP
Physics Which, of the following radiations has the least wavelength ? G-rays A-rays B-rays X-rays G-rays A-rays B-rays X-rays ANSWER DOWNLOAD EXAMIANS APP
Physics A 4 kg object is moving horizontally with a speed of 5 m/s. To increase its speed to 10 m/s, the amount of net work required to be done on this object is: 75 J 100 J 150 J 50 J 75 J 100 J 150 J 50 J ANSWER DOWNLOAD EXAMIANS APP
Physics A wire of copper having length I and area of cross-section A is taken and a current i is flown through it. The power dissipated in the wire is P. If we take an aluminium wire having same dimensions and pass the same current through it, the power dissipated will be 2P < P > P P 2P < P > P P ANSWER DOWNLOAD EXAMIANS APP
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