AIIMS (All India Institute of Medical Sciences) Physics: Questions 364 - 368 of 500

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Question number: 364

» Ray Optics » Resolving Power of Microscopes and Astronomical Telescopes

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MCQ▾

Question

A telescope has an objective lens of focal length 100 cm and an eye piece with focal length 5cm. If this telescope is used to see a 30 meter tall building at a distance of 1km, what is the height of the image of the building formed by the objective lens –

Choices

Choice (4)Response

a.

3 cm

b.

27 cm

c.

9 cm

d.

1 cm

Question number: 365

» Properties of Solids & Liquids » Viscosity

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Question

Calculate the volume of water flowing in 15 minutes through a horizontal tube of 0.4 cm diameter, 75 cm long. The pressure head across the ends of the tube is 30 cm of water column. Coefficient of viscosity of water is S. I. units .

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 366

» Electromagnetic Induction & Alternating Currents » Self and Mutual Inductance

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MCQ▾

Question

The of mutual inductance of two coils when magnetic flux changes by 9 and current changes by 0.03 A is –

Choices

Choice (4)Response

a.

3 H

b.

9 H

c.

2 H

d.

6 H

Question number: 367

» Electromagnetic Induction & Alternating Currents » Induced EMF and Current

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MCQ▾

Question

A conducting ring of radius 1 meter is placed in a uniform magnetic field B of 0.02 T, oscillating with frequency 150 Hz with its plane at right angles to magnetic field. What will be the induced electric field?

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 368

» Properties of Solids & Liquids » Stress-Strain Relationship

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MCQ▾

Question

A breaking strength of a wire of diameter is . Find the breaking strength of another wire of the same material having diameter .

Choices

Choice (4)Response

a.

b.

c.

d.

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