Dual Nature of Radiation and Matter

CBSE Class 12 · Physics · 33 past questions

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1. Q1 2026

   Radiation of wavelength 200 nm is incident on a photosensitive surface of work function 4·2 eV. The kinetic…

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2. Q3 2026

   Questions number 13 to 16 are Assertion (A) and Reason (R) type questions. Two statements are given — one…

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3. Q5 2026

   For question number 13 to 16, two statements are given – one labelled as Assertion (A) and the other labelled…

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4. Q6 2026

   In a photoelectric experiment, the emitter plate is irradiated with radiation of 200 nm. The photocurrent…

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5. Q8 2026

   The maximum kinetic energy of the electrons emitted from a photo sensitive surface depends on

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6. Q9 2026

   Note : For question numbers 13 to 16, two statements are given – one labelled as Assertion (A) and the other…

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