Physics The resistance of a conductor is inversely proportional to its: Length Temperature Resistivity Area of cross section Length Temperature Resistivity Area of cross section ANSWER DOWNLOAD EXAMIANS APP
Physics A piece of wood is held under water. The upthrust on it will be: Less than weight of the wood Zero More than weight of the wood Equal to the weight of the wood Less than weight of the wood Zero More than weight of the wood Equal to the weight of the wood ANSWER DOWNLOAD EXAMIANS APP
Physics Two waves, each of amplitude 1.5 mm and frequency 10 Hz, are travelling in opposite direction with a speed of 20 mm/s. The distance in mm between adjacent nodes is : 1 1.2 1.5 2 1 1.2 1.5 2 ANSWER DOWNLOAD EXAMIANS APP
Physics Friction is caused by the ________ on the two surfaces in contact. Smoothness Densities Gaps Irregularities Smoothness Densities Gaps Irregularities ANSWER DOWNLOAD EXAMIANS APP
Physics What changes will happen to a bowl of ice and water kept at exactly zero degree Celsius ? No change will happen All ice will melt All water will become ice Only some ice will melt No change will happen All ice will melt All water will become ice Only some ice will melt ANSWER DOWNLOAD EXAMIANS APP
Physics Solids which conduct electricity at higher temperature but not at lower temperature are called Semi-conductor Super-conductor Metallic-conductor Insulator Semi-conductor Super-conductor Metallic-conductor Insulator ANSWER DOWNLOAD EXAMIANS APP