22 JEE Main 2024 Dual Nature of Matter previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2024 previous-year questions from the Dual Nature of Matter chapter of Physics. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Dual Nature of Matter chapter hub.
The threshold frequency of a metal with work function 6 . 63 eV is :
Monochromatic light of frequency 6 × 10 14 Hz is produced by a laser. The power emitted is 2 × 10 - 3 W . How many phot…
In a photoelectric effect experiment a light of frequency 1 . 5 times the threshold frequency is made to fall on the su…
When UV light of wavelength 300 ~nm is incident on the metal surface having work function 2.13 eV, electron emission ta…
For the photoelectric effect, the maximum kinetic energy E k of the photoelectrons is plotted against the frequency ( v…
UV light of 4.13 eV is incident on a photosensitive metal surface having work function 3.13 eV. The maximum kinetic ene…
Which of the following phenomena does not explain by wave nature of light. A. reflection B. diffraction C. photoelectri…
In photoelectric experiment energy of 2.48 eV irradiates a photo sensitive material. The stopping potential was measure…
A proton and an electron have the same de Broglie wavelength. If Kp and Ke be the kinetic energies of proton and electr…
If the total energy transferred to a surface in time t is 6 . 48 × 10 5 J , then the magnitude of the total momentum de…
Log in to unlock the full list, track what you've solved, and practice on the TCS iON-style CBT player. It's free.