The photoelectric threshold of a certain metal is 3000˚A. If the radiation of 2000˚A is incident on the metal
electrons will be emitted
positrons will be emitted
protons will be emitted
electrons will not be emitted
A
protons will be emitted
B
electrons will be emitted
C
positrons will be emitted
D
electrons will not be emitted
Open in App
Solution
Verified by Toppr
Was this answer helpful?
7
Similar Questions
Q1
The photoelectric threshold wavelength of a certain metal is 3000Å. If the radiation of 2000Å is incident on the metal will electrons be emitted?
View Solution
Q2
The work function of a metal is 1eV. On making light of wavelength 3000˚A incident on this metal, the velocity of photoelectrons emitted from it for photoelectric emission will be
View Solution
Q3
The threshold wavelength for photoelectric emission from a material is 5200A. Photo-electrons will be emitted will be emitted when this material is illuminated with monochromatic radiation from a
View Solution
Q4
Threshold wavelength for photoelectric emission from a metal surface is 5200˚A . Photoelectrons will be emitted when this surface is illuminated with monochromatic radiation from:
View Solution
Q5
The threshold frequency for certain metal is 3.3×1014Hz. If light of 8.2×1014Hz frequency is incident on the metal, then the cut-off voltage of the photoelectric current will be :