Dual Nature of Matter and Radiation-Particle Nature of Light (KVPY (Kishore Vaigyanik Protsahan Yojana) Stream SB-SX (Class 12 & 1st Year B.Sc.) Physics): Questions 1 - 2 of 2

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Question number: 1

» Dual Nature of Matter and Radiation » Particle Nature of Light

Appeared in Year: 2016

MCQ▾

Question

Photons of wavelength are incident on a metal. The most energetic electrons ejected from the metal are bent into a circular are of radius by a perpendicular magnetic field having a magnitude . The work function of the metal is –

(Where symbols have their usual meanings)

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 2

» Dual Nature of Matter and Radiation » Particle Nature of Light

Appeared in Year: 2016

MCQ▾

Question

An electron and a photon have same wavelength of . If is the energy of the photon and is the momentum of the electron, the magnitude of in SI units is –

Choices

Choice (4) Response

a.

b.

c.

d.

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