AIIMS Physics: Questions 495 - 499 of 500

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Question number: 495

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

MCQ▾

Question

Find the initial momentum of electron if the momentum of electron is changed by Pm and the De Broglie wavelength associated with it changes by 0.40%

Choices

Choice (4) Response
a.

500Pm

b.

200Pm

c.

300Pm

d.

250Pm

Question number: 496

» Properties of Solids & Liquids » Surface Energy and Surface Tension

Appeared in Year: 1996

MCQ▾

Question

Two soap bubbles each of radius 20 cm are touching each other. The radius of curvature of the common surface will be – [RPMT]

Choices

Choice (4) Response
a.

2r

b.

Infinite

c.

r

d.

r2

Question number: 497

» Electrostatics » Coulomb's Law

Appeared in Year: 1989

MCQ▾

Question

Two charges of 1μC and 5μC are placed 4cm apart, the ratio of force exerted by both charges on each other will be – [RPET]

Choices

Choice (4) Response
a.

1:5

b.

1:1

c.

25:1

d.

5:1

Question number: 498

» Magnetic Effects of Current and Magnetism » Magnetic Susceptibility and Permeability

MCQ▾

Question

Relation between permeability μ and magnetizing field H for a sample of iron is μ=(0.6H+8×104)henerymeter , where unit of H is Am . Find value of H , for which magnetic induction of 1.0Wbm2 can be produce.

Choices

Choice (4) Response
a.

400Am

b.

500Am

c.

700Am

d.

1000Am

Question number: 499

» Properties of Solids & Liquids » Application of Surface Tension

Appeared in Year: 1997

MCQ▾

Question

Water rises in a capillary up to a height h . If now this capillary is tilted by an angle of 450 , then the length of the water column in the capillary becomes – [RPMT]

Choices

Choice (4) Response
a.

2h

b.

h2

c.

h2

d.

h2

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