Physics Which microscope is often used to view metal surfaces? Optical microscopes Scanning tunneling microscopes None of these Electron microscopes Optical microscopes Scanning tunneling microscopes None of these Electron microscopes ANSWER DOWNLOAD EXAMIANS APP
Physics It is difficult to cook rice Under a mine At the top of a mountain At the sea level Same anywhere Under a mine At the top of a mountain At the sea level Same anywhere ANSWER DOWNLOAD EXAMIANS APP
Physics On a clean glass plate a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because: mercury is a metal. cohesion of water is greater than its adhesion with glass. cohesion of mercury is greater than its adhesion with glass. density of mercury is greater than that of water. mercury is a metal. cohesion of water is greater than its adhesion with glass. cohesion of mercury is greater than its adhesion with glass. density of mercury is greater than that of water. ANSWER DOWNLOAD EXAMIANS APP
Physics Planets do not twinkle because Their distance from the earth does not change with time They are nearer to earth and hence we receive a greater amount of light. They are very far away from the earth resulting in decrease in intensity of light They emit light of a constant intensity Their distance from the earth does not change with time They are nearer to earth and hence we receive a greater amount of light. They are very far away from the earth resulting in decrease in intensity of light They emit light of a constant intensity ANSWER DOWNLOAD EXAMIANS APP
Physics Who among the following gave the Uncertainty principle? Ernset Rutherford S.N Bose R.A Milkman Werner Heisenberg Ernset Rutherford S.N Bose R.A Milkman Werner Heisenberg ANSWER DOWNLOAD EXAMIANS APP
Physics A metal-semiconductor junction diode is called ________ Tunnel diode Schottky diode Photo diode P-N Juction diode Tunnel diode Schottky diode Photo diode P-N Juction diode ANSWER DOWNLOAD EXAMIANS APP