Physics Danger signals are generally red as red light Is least bright Has lowest velocity Gives comfort to eye Undergoes least deviation Is least bright Has lowest velocity Gives comfort to eye Undergoes least deviation ANSWER DOWNLOAD EXAMIANS APP
Physics The snow on the mountains does not melt all at once when it is heated by the sun because: It reflects most of the heat from the sun It has a low specific heat capacity It has a high latent heat of fusion It becomes very hard It reflects most of the heat from the sun It has a low specific heat capacity It has a high latent heat of fusion It becomes very hard ANSWER DOWNLOAD EXAMIANS APP
Physics A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the cavity will Have its shape changed Remain unaffected Increase Decrease Have its shape changed Remain unaffected Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
Physics Suitable impurities are added to a semiconductor depending on its use. This is done in order to enable it to withstand higher voltages increase its electrical resistivity increase its life increase its electrical conductivity enable it to withstand higher voltages increase its electrical resistivity increase its life increase its electrical conductivity ANSWER DOWNLOAD EXAMIANS APP
Physics When a card placed over a tumbler is flicked with the finger, the coin placed over it falls in the tumbler. Law of conservation of energy Law of Inertia Law of conservation of momentum Newton's third law of motion Law of conservation of energy Law of Inertia Law of conservation of momentum Newton's third law of motion ANSWER DOWNLOAD EXAMIANS APP
Physics If lift is going up with acceleration, the apparent weight of a body is Equal to the true weight Less than the true weight May be more or less than true weight More than the true weight Equal to the true weight Less than the true weight May be more or less than true weight More than the true weight ANSWER DOWNLOAD EXAMIANS APP
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