Dual Nature of Radiation and Matter

CBSE Class 12 · Physics · 33 past questions

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1. Q28 2023

   Which one of the following metals does not exhibit emission of electrons from its surface when irradiated by…

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2. Q29 2023

   Figure shows the variation of photoelectric current measured in a photo cell circuit as a function of the… (with a figure)

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3. Q30 2023

   Light of frequency $6{\cdot}4 \times 10^{14}$ Hz is incident on a metal of work function $2{\cdot}14$ eV. The…

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4. Q31 2023

   Calculate the wavelength of de Broglie waves associated with a proton having…

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5. Q32 2023

   Questions number 16 to 18 are Assertion (A) and Reason (R) type questions. Two statements are given — one…

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