Light falling on the surface of a metal such as cesium can liberate electrons from the metal.The kinetic energy of electrons emitted from a metal can be increased by
A)using light of higher frequency.
B)using light of lower frequency.
C)increasing the intensity of the incident light.
D)using a metal with a greater work function.
E)None of these is correct.

Question

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The Answer of Light falling on the surface of a metal such as cesium can liberate electrons from the metal.The kinetic energy of electrons emitted from a metal can be increased by
A)using light of higher frequency.
B)using light of lower frequency.
C)increasing the intensity of the incident light.
D)using a metal with a greater work function.
E)None of these is correct.

Light Falling on the Surface of a Metal Such as Cesium