NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 1052 - 1056 of 1483

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Question 1052

Question MCQ▾

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

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Question 1053

Question MCQ▾

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.

Edit

Question 1054

Question MCQ▾

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

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Question 1055

Question MCQ▾

A concave lens is made by cutting a portion of a hollow glass sphere of radius . If an object is placed far from the centre of the lens, then what is the distance between image and the centre of the lens?

Choices

Choice (4)Response

a.

20

b.

c.

d.

9

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Question 1056

Question MCQ▾

What is the angle of the reflection in following figure?

Reflection of Light

Choices

Choice (4)Response

a.

b.

c.

d.

Edit