AIIMS (All India Institute of Medical Sciences) Physics: Questions 130 - 134 of 500

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Question number: 130

» Current Electricity » Temperature Dependence of Resistance

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Appeared in Year: 2003

MCQ▾

Question

Fuse wire is a wire of [AIPMT, AIIMS 1999]

Choices

Choice (4)Response

a.

High resistance and high melting point

b.

Low resistance and high melting point

c.

Low resistance and low melting point

d.

High resistance and low melting point

Question number: 131

» Electromagnetic Induction & Alternating Currents » Self and Mutual Inductance

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Appeared in Year: 1998

MCQ▾

Question

Transformer works on the basis of the following phenomenon –

[AIIMS, RPMT-89]

Choices

Choice (4)Response

a.

Electrical discharge

b.

Generation of electro-magnetic waves.

c.

Mutual induction

d.

Self-induction

Question number: 132

» Properties of Solids & Liquids » Boyle's Law & Applications

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Appeared in Year: 1982

MCQ▾

Question

When a large bubble rises from the bottom of a lake to the surface, its radius doubles. If atmospheric pressure is equal to that of column of water height H, then the depth of lake is: [AIPMT 1989,1992; AIIMS 95; AFMC 1997; BHU 2004]

Choices

Choice (4)Response

a.

7H

b.

2H

c.

8H

d.

H

Question number: 133

» Kinematics » Scalars and Vectors » Scalar and Vector Products

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MCQ▾

Question

The angle between the two vectors and will be:

Choices

Choice (4)Response

a.

45°

b.

zero

c.

90°

d.

180°

Question number: 134

» X - Rays » Continuous and Characteristic X - Ray

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Appeared in Year: 2003

MCQ▾

Question

Characteristic X-rays are produced due to [AIIMS]

Choices

Choice (4)Response

a.

Transition of electrons from higher to lower electronic orbits in an atom.

b.

Transfer of energy in collision of electrons with atoms in the target.

c.

Transfer of momentum in collision of electrons with target atoms.

d.

Heating of the target.

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