Physics The threshold frequency is the frequency below which : Photo electric emission is not possible Photo current increases with voltage Photo current is constant Photo current decreases with voltage Photo electric emission is not possible Photo current increases with voltage Photo current is constant Photo current decreases with voltage ANSWER DOWNLOAD EXAMIANS APP
Physics A circular plate, a cube and a sphere, all made up of same material and having the samemass, are heated to 300°C and left in a room. Which of them will have the slowest rate of cooling? Sphere All will cool at the same rate Circular plate Cube Sphere All will cool at the same rate Circular plate Cube ANSWER DOWNLOAD EXAMIANS APP
Physics Pieces of camphor placed on water move about rapidly. This is because of Capillarity Surface tension Diffusion Viscosity Capillarity Surface tension Diffusion Viscosity ANSWER DOWNLOAD EXAMIANS APP
Physics The type of mirrors used in the headlamp of cars is Spherical convex Plane Parabolic concave Cylindrical concave Spherical convex Plane Parabolic concave Cylindrical concave ANSWER DOWNLOAD EXAMIANS APP
Physics A boat loaded with rocks floats in the middle of a swimming pool. A man in the boat throws the rocks overboard. The level of water in the pool will First decrease and then increase Remains the same Decrease Increase First decrease and then increase Remains the same Decrease Increase ANSWER DOWNLOAD EXAMIANS APP
Physics What is the fundamental unit of amount of a substance? Meter Mole Candela Kelvin Meter Mole Candela Kelvin ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS