# NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 1058 - 1063 of 1484

Access detailed explanations (illustrated with images and videos) to 1484 questions. Access all new questions- tracking exam pattern and syllabus. View the complete topic-wise distribution of questions. Unlimited Access, Unlimited Time, on Unlimited Devices!

View Sample Explanation or View Features.

Rs. 500.00 -OR-

## Question 1058

### Question

MCQ▾

The distance from the focal point to the centre of the lens, is called:

### Choices

Choice (4)Response

a.

Image distance

b.

Focal length

c.

d.

All of the above

## Question 1059

### Question

MCQ▾

The speed of light in a medium is . The refractive index of the medium is:

### Choices

Choice (4)Response

a.

1.5

b.

1

c.

1.33

d.

1.75

## Question 1060

### Question

MCQ▾

The object distance and image distance are and , respectively, measured for an experiment. The lens using for this experiment is converging lens. The focal length of this converging is:

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 1061

### Question

MCQ▾

If the object distance of a converging lens is and the image distance is . If the height of the object is , then the magnitude of height of the image is:

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 1062

### Question

MCQ▾

A ray of light is travels from air to water as shown in below figure.

The refractive indexes of the water and air are and respectively. Find angle of incident ray approximately.

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 1063

### Question

MCQ▾

In an experiment the object distance and image distance are and , respectively. Then calculate the radius of the curvature of the convex lens using in this experiment.

### Choices

Choice (4)Response

a.

b.

c.

d.

Developed by: