NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 1062 - 1066 of 1484

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Question number: 1062

» Physics » Light

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MCQ▾

Question

A ray of light is travels from air to water as shown in below figure.

A light travels from water to air

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 number: 1063

» Physics » Light

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Question

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.

Question number: 1064

» Physics » Light

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Question

A light ray travels through two medium, as shown in figure.

A light passing through two mediums

A Light Passing through Two Mediums

In figure, and are refractive indexes of medium – 1 and medium – 2, respectively. Which of the following is true?

Choices

Choice (4)Response

a.

b.

Cannot decided

c.

d.

Question number: 1065

» Physics » Light

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Question

A convex lens magnifies a virtual image two times its original size. The focal length of lens is , then calculate the image distance. :

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 1066

» Biology » Control and Coordination

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MCQ▾

Question

Which of the following statements distinguishes a sensory neuron?

I. It carries information toward the central nervous system.

II. Part of the nerve cell that contains the nucleus.

III. It carries impulse along nerve cell.

Which statements is/are correct?

Choices

Choice (4)Response

a.

I only

b.

II and III only

c.

I and III only

d.

III only

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