Dual Nature of Matter and Radiation (AIIMS (All India Institute of Medical Sciences) Physics): Questions 17 - 20 of 27

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Question number: 17

» Dual Nature of Matter and Radiation » Photoelectric Effect

Appeared in Year: 2009

MCQ▾

Question

Monochromatic light of wavelength Equation is produced by a helium neon laser. The power emitted is Equation . The number of photons arriving per second on the average at a target irradiated by this beam is –

[AIPMT]

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 18

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

Appeared in Year: 1995

MCQ▾

Question

The accelerating voltage of an electron gun is Equation . De-Broglie wavelength of the electron will be – [RPMT]

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 19

» 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: 20

» 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

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