Physics Skating on ice is possible because 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 Ice is cold The surface of ice is smooth 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 Ice is cold The surface of ice is smooth 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 fly inactively Their lungs are very large They use less oxygen They have extra air sacs They fly inactively Their lungs are very large They use less oxygen ANSWER DOWNLOAD EXAMIANS APP
Physics Velocitation is the tendency to None of these Be traveling at a speed that is faster than perceived Both A & B Be traveling at a speed that is slower than perceived None of these Be traveling at a speed that is faster than perceived Both A & B Be traveling at a speed that is slower than perceived ANSWER DOWNLOAD EXAMIANS APP
Physics A doppler effect occurs when a source of sound moves Away from you Towards you Both A & B None of these Away from you Towards you Both A & B None of these ANSWER DOWNLOAD EXAMIANS APP
Physics A standing wave occurs when The speed of the wave is zero or near zero Two waves overlap A wave reflects upon itself The amplitude of a wave exceeds its wavelength The speed of the wave is zero or near zero Two waves overlap A wave reflects upon itself The amplitude of a wave exceeds its wavelength ANSWER DOWNLOAD EXAMIANS APP
Physics Heat from the sun reaches earth by the process of Convection Radiation All of these Conduction Convection Radiation All of these Conduction ANSWER DOWNLOAD EXAMIANS APP
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