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The graph which shows the variation of the de Broglie wavelength λ of a particle and its associated momentum p is :

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Important Questions on Dual Nature of Matter and Radiation

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 19 - Dual Nature of Matter and Radiation>NEET - 17th July 2022>Q 2
When two monochromatic lights of frequency, ν and ν2 are incident on a photoelectric metal, their stopping potential becomes VS2 and Vs respectively. The threshold frequency for this metal is:
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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 19 - Dual Nature of Matter and Radiation>AIPMT - 3rd May 2015>Q 3
Which of the following figures represent the variation of particle momentum and the associated de-Broglie wavelength?
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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 19 - Dual Nature of Matter and Radiation>AIPMT - 25th July 2015>Q 4
A photoelectric surface is illuminated successively by monochromatic light of wavelength λ and λ2. If the maximum kinetic energy of the emitted photoelectrons in the second case is 3 times that in the first case, the work function of the surface of the material is:
( h = Planck's constant, c = speed of light)
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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 19 - Dual Nature of Matter and Radiation>NEET - 12 September 2021>Q 5
An electromagnetic wave of wavelength  λ  is incident on a photosensitive surface of negligible work function. If  m  mass is of photoelectron emitted from the surface has de-Broglie wavelength λd, then :
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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 19 - Dual Nature of Matter and Radiation>NEET - 12 September 2021>Q 6
The number of photons per second on an average emitted by the source of monochromatic light of wavelength 600 nm, when it delivers the power of 3.3×10-3 W will be :h=6.6×10-34 J s
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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 19 - Dual Nature of Matter and Radiation>NEET Phase 2 (14 October 2020)>Q 7
The de-Broglie wavelength of an electron moving with kinetic energy of 144 eV is nearly
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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 19 - Dual Nature of Matter and Radiation>NEET - 13th September 2020>Q 8
An electron is accelerated from rest through a potential difference of V volt. If the de Broglie wavelength of the electron is 1.227×10–2 nm, the potential difference is:
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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 19 - Dual Nature of Matter and Radiation>NEET - 13th September 2020>Q 9
Light of frequency 1.5 times the threshold frequency is incident on a photosensitive material. What will be the photoelectric current if the frequency is halved and intensity is doubled?