EASY
NEET
IMPORTANT
Earn 100
Which one among the following shows particle nature of light?
50% studentsanswered this correctly
Important Questions on Dual Nature of Matter and Radiation
MEDIUM
NEET
IMPORTANT
A photocell is illuminated by a source of light which is placed at a distance from the cell. If the distance become , the number of electrons emitted per second will,
MEDIUM
NEET
IMPORTANT
A graph is plotted between maximum kinetic energy of electron with frequency of incident photon in photoelectric effect. The slope of the curve will be,
EASY
NEET
IMPORTANT
A photon of energy is incident on a metal surface of work function . The maximum KE of emitted photoelectrons will be,
EASY
NEET
IMPORTANT
Light of frequency is incident on a metal of threshold frequency . Then, the work function of the metal will be,
EASY
NEET
IMPORTANT
The work function of a photoelectric material is . Its threshold frequency will be,
EASY
NEET
IMPORTANT
The value of Planck's constant is,
EASY
NEET
IMPORTANT
When ultraviolet rays are incident on a metal plate then, photoelectric effect does not occur. It occurs by the incidence of,
MEDIUM
NEET
IMPORTANT
A photoelectric cell is illuminated by a point source of light away. When the source is shifted to then,
