AIIMS (All India Institute of Medical Sciences) Physics: Questions 449 - 453 of 500

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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 and photo electrons have kinetic energy maximum

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 450

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

MCQ▾

Question

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

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 451

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

MCQ▾

Question

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

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 452

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

Appeared in Year: 1998

MCQ▾

Question

Work function of a metal surface is . If a light of wavelength falls on it then the maximum K. E of ejected electron will be –

[AIPMT]

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 453

» Ray Optics » Deviation and Dispersion of Light by a Prism

Appeared in Year: 2001

MCQ▾

Question

A disc is placed on a surface of pond which has refractive index. A source of light is placed below the surface of liquid. The minimum radius of disc will be so light is not coming out – [AIPMT]

Choices

Choice (4) Response

a.

3m

b.

6m

c.

4m

d.

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