AIIMS (All India Institute of Medical Sciences) Physics: Questions 12 - 16 of 500

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Question number: 12

» Properties of Solids & Liquids » Bulk Modulus

Appeared in Year: 2005

MCQ▾

Question

For a constant hydraulic stress on an object, the fractional change in the object’s volume and its bulk modulus (B) are related as: [AIIMS]

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 13

» Electromagnetic Induction & Alternating Currents » Induced EMF and Current

Appeared in Year: 2005

MCQ▾

Question

A conducting ring of radius 1 meter is placed in a uniform magnetic field B of 0.01 T, oscillating with frequency 100 Hz with its plane at right angles to magnetic field. What will be the induced electric field? [AIIMS]

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 14

» Work, Energy and Power » Elastic and Inelastic Collisions

MCQ▾

Question

Which of the following is true: -

Choices

Choice (4) Response

a.

Neither momentum nor kinetic energy is conserved in inelastic collisions.

b.

Momentum is conserved in all collisions but kinetic energy is conserved only in inelastic collision

c.

Momentum is conserved in all collisions but not kinetic energy

d.

Momentum and kinetic energy are conserved in all collisions.

Question number: 15

» Magnetic Effects of Current and Magnetism » Para, Dia and Ferro-Magnetic Substances

Appeared in Year: 2004

MCQ▾

Question

Liquid oxygen remains suspended between two pole faces of a magnet because it is [AIIMS]

Choices

Choice (4) Response

a.

Diamagnetic

b.

Antiferromagnetic

c.

Paramagnetic

d.

Ferromagnetic

Question number: 16

» Electromagnetic Induction & Alternating Currents » Eddy Currents

Appeared in Year: 2006

MCQ▾

Question

A metallic ring is dropped down, keeping its plane perpendicular to a constant and horizontal magnetic field. The ring enters the region of magnetic field at t = 0 and completely emerges out at t = T sec. The current in the ring varies as – [AIIMS]

Choices

Choice (4) Response

a.

Current varies with time (Choice-A)

Current Varies with Time (Choice-A)

Figure shows current in the ring varies with time.

b.

Current varies with time (Choice-B)

Current Varies with Time (Choice-B)

Figure shows current in the ring varies with time.

c.

Current varies with time (Choice-C)

Current Varies with Time (Choice-C)

Figure shows current in the ring varies with time.

d.

 Current varies with time (Choice-D)

Current Varies with Time (Choice-D)

Figure shows current in the ring varies with time.

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