NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 1103 - 1106 of 2320

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Question number: 1103

» Electromagnetic Induction & Alternating Currents » Resonance

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MCQ▾

Question

In the non-resonant circuit, what will be the nature of the circuit for frequencies higher than the resonant frequency?

Choices

Choice (4)Response

a.

Inductive

b.

Capacitive

c.

Resistive

d.

All of the above

Question number: 1104

» Ray Optics » Power of a Lens

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MCQ▾

Question

If the focal length of a magnifier is 5 cm calculate the power of the lens.

Choices

Choice (4)Response

a.

10 D

b.

5 D

c.

20 D

d.

15 D

Question number: 1105

» Ray Optics » Magnification

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MCQ▾

Question

A 0.5 cm high object is placed at 30 cm from a convex mirror whose focal length is 20 cm. Find the position and size of the image.

Choices

Choice (4)Response

a.

5 cm, 0.1 cm

b.

6 cm, 0.5 cm

c.

18 cm, 0.2 cm

d.

12 cm, 0.2 cm

Question number: 1106

» Ray Optics » Resolving Power of Microscopes and Astronomical Telescopes

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MCQ▾

Question

An astronomical telescope has an angular magnification of magnitude 5 for distant objects. The separation between the objective and eye-piece is 36 cm and the final image is formed at infinity.

(1) The focal length of objective is 30 cm

(2) The focal length of objective is 25 cm

(3) The focal length of eye piece is 6 cm

(4) The focal length of eye piece is 12 cm

Select the correct answers and mark it according to the following codes:

Codes:

Choices

Choice (4)Response

a.

2 and 4 are correct

b.

1 and 3 are correct

c.

1 and 2 are correct

d.

1,2 and 3 are correct

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