Physics Skating on ice is possible because Ice is cold The pressure on the ice due to skate raises its melting point The pressure on the ice due to skate melts the ice by lowering its melting point forming a thin film of water The surface of ice is smooth Ice is cold The pressure on the ice due to skate raises its melting point The pressure on the ice due to skate melts the ice by lowering its melting point forming a thin film of water The surface of ice is smooth ANSWER DOWNLOAD EXAMIANS APP
Physics What property of matter is momentum related to? None of these Velocity Both A & B Mass None of these Velocity Both A & B Mass ANSWER DOWNLOAD EXAMIANS APP
Physics Why the needle of iron swims on water surface when it is kept gently ? The density of needle is less than that of water Due to surface tension It will remain under the water, when it will displace more water than its weight Due to its shape The density of needle is less than that of water Due to surface tension It will remain under the water, when it will displace more water than its weight Due to its shape ANSWER DOWNLOAD EXAMIANS APP
Physics Which compressor is usually used in AC? Centrifugal Reciprocating Axial Rotary Centrifugal Reciprocating Axial Rotary ANSWER DOWNLOAD EXAMIANS APP
Physics Among the following materials sound travels fastest in Air Steel Water Vacuum Air Steel Water Vacuum ANSWER DOWNLOAD EXAMIANS APP
Physics Which type of mirror is used in the head lights of vehicles ? Convex mirror Concave mirror Parabolic mirror Plane mirror Convex mirror Concave mirror Parabolic mirror Plane mirror ANSWER DOWNLOAD EXAMIANS APP
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