Physics Period of oscillation of 3 cm microwaves in seconds is 1 × 10–10 1 × 1010 0.01 0.001 1 × 10–10 1 × 1010 0.01 0.001 ANSWER DOWNLOAD EXAMIANS APP
Physics Skating on ice is possible because 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 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 ANSWER DOWNLOAD EXAMIANS APP
Physics Why does bleeding occur through the nose in high mountainous regions ? The blood pressure of a person increases at high altitudes The blood pressure fluctuates and finally decreases drastically The pressure at high altitudes is greater than that on the plains The pressure of blood in capillaries is greater than the outside pressure The blood pressure of a person increases at high altitudes The blood pressure fluctuates and finally decreases drastically The pressure at high altitudes is greater than that on the plains The pressure of blood in capillaries is greater than the outside pressure ANSWER DOWNLOAD EXAMIANS APP
Physics A stone is dropped from the roof of a house towards the ground. The kinetic energy of the stone will be maximum: When it is just on the half-way Just before it touches the ground When it touches the ground Just after it is dropped When it is just on the half-way Just before it touches the ground When it touches the ground Just after it is dropped ANSWER DOWNLOAD EXAMIANS APP
Physics Solar energy is due to Fusion reactions Chemical reactions Fission reactions Combustion reactions Fusion reactions Chemical reactions Fission reactions Combustion reactions ANSWER DOWNLOAD EXAMIANS APP
Physics The electric current in a metal wire is due to the flow of - Protons Holes Electrons Ions Protons Holes Electrons Ions ANSWER DOWNLOAD EXAMIANS APP