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

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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.

Radius of curvature

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.

A Light Travels from Water to Air

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.

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