# NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 1017 - 1023 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 1017

### Question

MCQ▾

The function of the Anus is to:

### Choices

Choice (4)Response

a.

The opening at the end of the digestive tract

b.

Transports food

c.

The lower end of the large intestine

d.

Question does not provide sufficient data or is vague

## Question 1018

### Question

MCQ▾

The magnification and focal length of a converging lens are and , respectively. The object distance should be:

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 1019

### Question

MCQ▾

An image is formed on the centre of the curvature by convex lens, then the object is:

### Choices

Choice (4)Response

a.

At focal point

b.

Far than centre of curvature

c.

At centre of the curved

d.

Between focal point and centre of the curvature

## Question 1020

### Question

MCQ▾

A convex lens is made by cutting a portion of a hollow glass sphere of radius . So, power of the lens is:

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 1021

### Question

MCQ▾

Two thin lenses of power and are placed in contact. The power of the lens combination is:

### Choices

Choice (4)Response

a.

2

b.

1.5

c.

1

d.

2.5

## Question 1022

### Question

MCQ▾

Which of the following have maximum focal length?

### Choices

Choice (4)Response

a.

Convex mirror

b.

Concave mirror

c.

Convex lens

d.

Plane mirror

## Question 1023

### Question

MCQ▾

Focal length of the convex lens is:

### Choices

Choice (4)Response

a.

Always negative

b.

Sometime positive, sometime negative

c.

Always positive

d.

All of the above

Developed by: