# NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 967 - 971 of 2320

Access detailed explanations (illustrated with images and videos) to 2320 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Unlimited Access for Unlimited Time! View Sample Explanation or View Features.

Rs. 600.00 or

How to register?

## Question number: 967

Edit
MCQ▾

### Question

An object of length 1 cm is placed at a distance of 15 cm from a concave mirror of focal length 10 cm. The nature and size of the image are,

### Choices

Choice (4)Response

a.

Virtual, erect, 0.5 cm

b.

Real, inverted, 2.0 cm

c.

Real, inverted, 1.0 cm

d.

Virtual, erect, 1.0 cm

## Passage

A cylindrical tube filled with water is closed at its both ends by two silvered Plano convex lenses as shown in the figure. Refractive index of lenses L 1 and L 2 are 2.0 and 1.5 while their radii of curvature are 5 cm and 9 cm respectively. A point object is placed somewhere at a point O on the axis of cylindrical tube. It is found that the object and image coincide each other.

## Question number: 968 (1 of 3 Based on Passage) Show Passage

Edit
MCQ▾

### Question

The position of object w. r. t lens L 1 is

### Choices

Choice (4)Response

a.

12 cm

b.

8 cm

c.

10 cm

d.

14 cm

## Question number: 969 (2 of 3 Based on Passage) Show Passage

Edit
MCQ▾

### Question

The position of object w. r. t lens L 2 is

### Choices

Choice (4)Response

a.

10 cm

b.

14 cm

c.

8 cm

d.

12 cm

## Question number: 970 (3 of 3 Based on Passage) Show Passage

Edit
MCQ▾

### Question

The length of the cylindrical tube is

### Choices

Choice (4)Response

a.

18 cm

b.

16 cm

c.

20 cm

d.

22 cm

## Question number: 971

Edit
MCQ▾

### Question

A crown glass prism of angle 5° is to be combined with a flint glass prism in such a way that the mean ray passes undeviated. Find the angle of the flint glass prism needed and the angular dispersion produced by the combination when white light goes through it. Refractive indices for red, yellow and violet light are 1.514,1.517 and 1.523 respectively for crown glass and 1.613,1.620 and 1.632 for flint glass.

### Choices

Choice (4)Response

a.

4.4°, 0.0218°

b.

4.2°, 0.0348°

c.

1.2°, 0.0348°

d.

4.2°, 0.0138°

Developed by: