NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 1033 - 1037 of 1484

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Question number: 1033

» Physics » Light

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MCQ▾

Question

To form virtual, erect and larger image by the concave mirror than the object should place:

Choices

Choice (4) Response

a.

At infinite distance from the lens

b.

At focus of the lens

c.

Between focus and center of the lens

d.

Between pole and focus

Question number: 1034

» Physics » Light

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MCQ▾

Question

If a way of light travels from air to a glass slab shown as given figure, then angle of refraction of the ray of light is:

A ray of light travel from air to glass slab

A Ray of Light Travel from Air to Glass Slab

In figure, a ray of light travel from air to glass slab is shown.

(In figure, are refractive indexes of air and glass slab, respectively. )

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1035

» Physics » Light

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MCQ▾

Question

The stars appear to twinkle, because of:

Choices

Choice (4) Response

a.

Atmospheric refraction of star’s light

b.

Fluctuation of intensity of light

c.

Their motion in sky

d.

Reflection of star’s light from our eyes

Question number: 1036

» Physics » Light

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MCQ▾

Question

What are the characteristic of image, if the object is placed on the focal point of a convex mirror?

Choices

Choice (4) Response

a.

Diminished, inverted and virtual

b.

Enlarged, erect and virtual

c.

Diminished, erect and virtual

d.

Enlarger, inverted and real

Question number: 1037

» Physics » Light

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MCQ▾

Question

The distance between object and image formed by a convex lens, if the object is placed at the centre of curvature, is:

Choices

Choice (4) Response

a.

b.

c.

d.

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