AIIMS Physics: Questions 448 - 451 of 500

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Question number: 448

» Dual Nature of Matter and Radiation » Photoelectric Effect

Appeared in Year: 2007

MCQ▾

Question

Monochromatic light of frequency Equation is produced by a laser. The power emitted is Equation . The number of photons emitted, on the average, by the source per second is: [AIPMT]

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 449

» Dual Nature of Matter and Radiation » Photoelectric Effect

MCQ▾

Question

What will be the wavelength of incident photon, if the threshold wavelength of a metal is Equation and photo electrons have kinetic energy maximum Equation

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 450

» Dual Nature of Matter and Radiation » De-Broglie Relation

MCQ▾

Question

An Equation particle moves in circular path of radius Equation in the presence of a magnetic field of Equation . Find the De – Broglie wavelength associated with the particle.

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 451

» Dual Nature of Matter and Radiation » De-Broglie Relation

MCQ▾

Question

A proton and an Equation particle accelerated through same voltage of Equation . The ratio of their De-Broglie wavelength will be:

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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