NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 1050 - 1055 of 1484

Access detailed explanations (illustrated with images and videos) to 1484 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. 500.00 or

How to register?

Question number: 1050

» Physics » Light

Edit
MCQ▾

Question

If the focal length of a curved mirror is , then which of the following is correct?

Choices

Choice (4)Response

a.

Radius of curvature of the mirror is 22 cm

b.

Radius of curvature of the mirror is 44 cm

c.

The mirror is converging

d.

The mirror is diverging

Question number: 1051

» Physics » Light

Edit
MCQ▾

Question

If a ray of light is incident normally in a glass slab, then angle of refraction is:

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 1052

» Physics » Light

Edit
MCQ▾

Question

An object is placed at the focus of a convex lens. The image will formed:

Choices

Choice (4)Response

a.

No image is formed

b.

Between focal point and centre of lens

c.

At radius of curvature of the lens

d.

At focal point other side of lens

Question number: 1053

» Physics » Light

Edit
MCQ▾

Question

If a ray parallel to principle axis is incident on a concave mirror, then after reflection it will:

Choices

Choice (4)Response

a.

retrace its path

b.

pass through the centre of curvature.

c.

pass through focus

d.

pass through the pole

Question number: 1054

» Physics » Light

Edit
MCQ▾

Question

If height of an object is and it placed in front of a convex lens of magnification , then the height of the image is;

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 1055

» Physics » Light

Edit
MCQ▾

Question

A concave lens has a focal length of . If an object is placed from optical centre of the lens, then which of following shows characteristics of the image?

Choices

Choice (4)Response

a.

Inverted, virtual and diminished

b.

Inverted, real and diminished

c.

Erected, real and enlarged

d.

Erected, real and diminished

Developed by: