AIIMS (All India Institute of Medical Sciences) Physics: Questions 452 - 456 of 500

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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 Equation . If a light of wavelength Equation falls on it then the maximum K. E of ejected electron will be –

[AIPMT]

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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 Equation refractive index. A source of light is placed Equation 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.

Question number: 454

» Atoms and Nuclei » Half Life and Mean Life

Appeared in Year: 2002

MCQ▾

Question

A sample of radioactive element is containing Equation active nuclei. Half life of element is 10 days, then number of decayed nuclei after 30 days –

[AIPMT]

Choices

Choice (4) Response

a.

2 x 1015

b.

3.5 x 1015

c.

0.5 x 1015

d.

1 x 1015

Question number: 455

» Electrostatics » Electric Potential

MCQ▾

Question

Calculated the kinetic energy of a point charge of Equation at Equation . This charge is initially at rest at the origin. And a uniform electric field of Equation is in Equation direction.

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 456

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

MCQ▾

Question

The De – Broglie wavelength of neutron of energy Equation is –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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