Dual Nature of Radiation and Matter

Bihar Board Class 12 · Physics · 25 past questions

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1. Q2 2026 Set A

   The ratio of de Broglie wavelength associated with two electrons accelerated through 49 V and 64 V is

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2. Q5 2026 Set A

   The maximum velocity of an electron emitted from a metal surface becomes two times when the frequency $\nu$…

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3. Q23 2018

   The number of Photons of frequency $10^{14}$Hz in radiation of 6.62 will be…

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4. Q25 2017

   A light of wavelength $6000A^0$ is incident on a metal of work function 2 eV. Will electrons be emitted? If…

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