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MHT CET Physics Model Test 01 — MHT - CET STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceMHT - CETMHT CET Physics Model Test 011 Mark
MCQ
The wavelength '`lambda`' of a photon and de-Broglie wavelength of an electron have same value. The ratio of energy of a photon to kinetic energy of electron is (m = mass of electron, c = velocity of light, h = Planck's constant) ____________.
  • A
    `(2lambda)/"mch"`
  • ✓
    `(2lambda"mc")/"h"`
  • C
    `(lambda"mc")/(2"h")`
  • D
    `(lambda"m")/(4"h")`
✓

Answer

Correct option: B.
`(2lambda"mc")/"h"`
B

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