Photoelectric emision occurs only when the incident light has more than a certain minimum
Photoelectric emision occurs only when the incident light has more than a certain minimum Options (a) power (b) wavelength (c)…
8 years ago
Questions
Order of e/m ratio of proton, α-particle and electron is
Order of e/m ratio of proton, α-particle and electron is Options (a) e>p>α (b) p>α>e (c) e>α>p (d) None of…
8 years ago
The potential difference that must be applied to stop the fastest photoelectrons
The potential difference that must be applied to stop the fastest photoelectrons emitted by a nickel surface, having work function…
8 years ago
The minimum wavelength of X-rays produced in a Collidge tube operated
The minimum wavelength of X-rays produced in a Collidge tube operated at potential difference of 40 kV is Options (a)…
8 years ago
Source S₁ is producing, 10¹⁵ photons per second of wavelength 5000Å
Source S₁ is producing, 10¹⁵ photons per second of wavelength 5000Å. Another source S₂ is producing 1.02 x 10¹⁵ photons…
8 years ago
X-rays when incident on a metal
X-rays when incident on a metal Options (a) Exert force, Transfer energy and Transfer pressure on it (b) Transfer energy…
8 years ago
Monochromatic light of wavelength 667 nm is produced by a helium neon laser
Monochromatic light of wavelength 667 nm is produced by a helium neon laser. The power emitted is 9 mW. The…
8 years ago
The number of photo electrons emitted for light of a frequency v
The number of photo electrons emitted for light of a frequency v (higher than the threshold frequency v₀) is proportional…
8 years ago
The ratio of specific charge of an α-particle to that of a proton is
The ratio of specific charge of an α-particle to that of a proton is Options (a) (1:2) (b) (2:1) (c)…
8 years ago
Which of the following phenomenon exhibited the particle nature of light?
Which of the following phenomenon exhibited the particle nature of light? Options (a) Photoelectric effect (b) Interference (c) Polarization (d)…
8 years ago