Physics A cyclist leans inwards when he is negotiating a curve so that His weight may be reduced Necessary centripetal force may be available from the horizontal component of the normal reaction due to the track to maintain the curved motion. He may increase his speed No frictional force may be produced between the wheels and the axle His weight may be reduced Necessary centripetal force may be available from the horizontal component of the normal reaction due to the track to maintain the curved motion. He may increase his speed No frictional force may be produced between the wheels and the axle ANSWER DOWNLOAD EXAMIANS APP
Physics Where does hydroelectric energy come from? Air Solar All of these Water Air Solar All of these Water ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of the sound is highest in Air Water Metal Vacuum Air Water Metal Vacuum ANSWER DOWNLOAD EXAMIANS APP
Physics Which one among the following doesn't have any effect on velocity of sound ? Temperature Density Humidity Pressure Temperature Density Humidity Pressure ANSWER DOWNLOAD EXAMIANS APP
Physics What is the minimum distance (in metres) required to hear an echo? 21 17 13 10 21 17 13 10 ANSWER DOWNLOAD EXAMIANS APP
Physics Why the needle of iron swims on water surface when it is kept gently ? Due to surface tension Due to its shape The density of needle is less than that of water It will remain under the water, when it will displace more water than its weight Due to surface tension Due to its shape The density of needle is less than that of water It will remain under the water, when it will displace more water than its weight ANSWER DOWNLOAD EXAMIANS APP
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