A
B
C
D
Text Solution
Verified by Experts
The correct Answer is:
NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-ELECTRONS AND PHOTONS-All Questions
- The de - Broglie wavelength of a neutron in thermal equilibrium with h...
Text Solution
|
- An electron of mass m and a photon have same energy E. The ratio of de...
Text Solution
|
- When a metallic surface is illuminated with radiation of wavelength la...
Text Solution
|
- Electrons with de-Broglie wavelength lambda fall on the target in an X...
Text Solution
|
- Photons with energy 5 eV are incident on a cathode C in a photoelectri...
Text Solution
|
- A radiation of energy E falls normally on a perfctly refelecting surfa...
Text Solution
|
- When a certain metallic surface is illuminated with monochromatic ligh...
Text Solution
|
- Which of the following figure represents the variation of particle mom...
Text Solution
|
- A photoelectric surface is illuminated successively by monochromatic l...
Text Solution
|
- Light of wavelength 500 nm is incident on a metal with work function 2...
Text Solution
|
- When the energy of the incident radiation is increased by 20 % , kinet...
Text Solution
|
- If the kinetic energy of the particle is increased to 16 times its pre...
Text Solution
|
- For photoelectric emission from certain metal the cut - off frequency ...
Text Solution
|
- The wavelength lambda(e ) of an electron and lambda(p) of a photon of ...
Text Solution
|
- Monochromatic radiation emitted when electron on hydrogen atom jumps f...
Text Solution
|
- A modern 200 W sodium street lamp emits yellow light of wavelength 0.6...
Text Solution
|
- Light of two different frequencies whose photons have energies 1eV and...
Text Solution
|
- Photoelectric emission occurs only when the incident light has more th...
Text Solution
|
- In photoelectric emission process from a metal of work function 1.8 eV...
Text Solution
|
- A source S(1) is producing 10^(15) photons/s of wavelength 5000 Å Anot...
Text Solution
|