# NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 1121 - 1125 of 2320

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## Question number: 1121

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MCQ▾

### Question

If the focal length of a magnifier is 5 cm find the magnifying power of the lens for relaxed and strained eye.

### Choices

Choice (4)Response

a.

4×, 2×

b.

2×, 3×

c.

l×, 2×

d.

4×, 5×

## Question number: 1122

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MCQ▾

### Question

A pin is placed 10 cm in front of a convex lens of focal length 20 cm, made of material having refractive index 1.5. The surface of the lens farther away from the pin is silvered and has a radius of curvature 22 cm. determine the position of the final image.

### Choices

Choice (4)Response

a.

15 cm in front

b.

11 cm in front

c.

21 cm in front

d.

31 cm in front

## Question number: 1123

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MCQ▾

### Question

For a series LCR circuit R = X L = 2X C. The impedance of the circuit and phase difference between V and I respectively will be

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 1124

» Ray Optics » Reflection and Refraction of Light » Spherical Surface

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MCQ▾

### Question

Two plane mirrors are placed at an angle a so that a ray parallel to one mirror gets reflected parallel to the second mirror after two consecutive reflections. The value of a will be

### Choices

Choice (4)Response

a.

75°

b.

30°

c.

90°

d.

60°

## Question number: 1125

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MCQ▾

### Question

The charging current for a capacitor is 1 A, then the displacement current is

### Choices

Choice (4)Response

a.

1 A

b.

0

c.

2 A

d.

0.5 A

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