Department of Pre-University Education, KarnatakaPUC Karnataka Science Class 12
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Two Photons of - Physics

MCQ

Two photons of 

Options

  • equal wavelength have equal linear momenta

  • equal energies have equal linear momenta

  • equal frequencies have equal linear momenta

  • equal linear momenta have equal wavelengths

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Solution

equal linear momenta have equal wavelengths

Two photons having equal linear momenta have equal wavelengths is correct. As in the rest of the options magnitude of momentum or energy can be same because energy and momentum are inversely proportional to wavelength. But the direction of propagation of the photons can be different.
Hence the correct option is D.

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APPEARS IN

HC Verma Class 11, Class 12 Concepts of Physics Vol. 2
Chapter 20 Photoelectric Effect and Wave-Particle Duality
MCQ | Q 2 | Page 363
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