Doubts
Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents
Sign in to save progress →
Doubts
Sign in

Dual Nature of Radiation question

2025 · 3 Apr · Shift 1 · Q69
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Physics
  4. /Dual Nature of Radiation
  5. /2025 · 3 Apr · Shift 1 · Q69

Dual Nature of Radiation question

2025 · 3 Apr · Shift 1 · Q69

JEE MainPhysicsDual Nature of RadiationMCQ+4 / −1
The radiation pressure exerted by a 450 W light source on a perfectly reflecting surface placed at 2 m away from it, is
  1. A
    3×10−83 \times 10^{-8}3×10−8 Pascals
  2. B
    0
  3. C
    1.5×10−81.5 \times 10^{-8}1.5×10−8 Pascals
  4. D
    6×10−86 \times 10^{-8}6×10−8 Pascals
PreviousNext

More from Dual Nature of Radiation

  • A small mirror of mass m is suspended by a massless thread of length l. Then the small angle through which the thread will be deflected when a short pulse of laser of energy E falls normal on the mirror (c= speed of light in…2025 · MCQ
  • Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R Assertion A : In photoelectric effect, on increasing the intensity of incident light the stopping potential increases. Reason R…2025 · MCQ
  • A photoemissive substance is illuminated with a radiation of wavelength λi​ so that it releases electrons with de-Broglie wavelength λe​. The longest wavelength of radiation that can emit photoelectron is λo​.…2025 · MCQ
  • An electron is released from rest near an infinite non-conducting sheet of uniform charge density '−σ'. The rate of change of de-Broglie wave length associated with the electron varies inversely as nth power of time. The numerical…2025 · Numerical
  • The work functions of cesium (Cs) and lithium (Li) metals are 1.9 eV and 2.5 eV , respectively. If we incident a light of wavelength 550 nm on these two metal surfaces, then photo-electric effect is possible for the case of2025 · MCQ
  • An electron in the ground state of the hydrogen atom has the orbital radius of 5.3×10−11 m while that for the electron in third excited state is 8.48×10−10 m. The ratio of the de Broglie…2025 · MCQ
  • A light source of wavelength λ illuminates a metal surface and electrons are ejected with maximum kinetic energy of 2 eV . If the same surface is illuminated by a light source of wavelength 2λ​, then the maximum…2025 · MCQ
  • A sub-atomic particle of mass 10−30 kg is moving with a velocity 2.21×106 m/s. Under the matter wave consideration, the particle will behave closely like (h=6.63×10−34 J.s)…2025 · MCQ