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…
7 years ago
Dual Nature of Matter and Radiation
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)…
7 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)…
7 years ago
The work function of sodium is 2.3 eV. The threshold wavelength of sodium will be
The work function of sodium is 2.3 eV. The threshold wavelength of sodium will be Options (a) 5380 Å (b)…
7 years ago
In a photoelectric effect experiment, the slope of the graph between the stopping
In a photoelectric effect experiment, the slope of the graph between the stopping potential and the incident frequency will be…
7 years ago
Monochromatic light of frequency 6.0 x 10¹⁴ Hz is produced by a laser. The power emitted
Monochromatic light of frequency 6.0 x 10¹⁴ Hz is produced by a laser. The power emitted is 2 x 10⁻³…
7 years ago
What is the difference between soft and hard X-ray?
What is the difference between soft and hard X-ray? Options (a) Velocity (b) Intensity (c) Polarization (d) Frequency Correct Answer:…
7 years ago
The name of ions knocked out from the hot surface is
The name of ions knocked out from the hot surface is Options (a) nuclei (b) neutrons (c) electrons (d) protons…
7 years ago
X-ray beam can be deflected by
X-ray beam can be deflected by Options (a) Magnetic field (b) Electric field (c) Both (a) and (b) (d) None…
7 years ago
The threshold frequency for a certain photosensitive metal is ν₀. When it is illuminated
The threshold frequency for a certain photosensitive metal is ν₀. When it is illuminated by light of frequency ν=2ν₀, the…
7 years ago