NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 1063 - 1067 of 1484

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Question number: 1063

» Physics » Light

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MCQ▾

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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MCQ▾

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 a light passing through two mediums is shown.

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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MCQ▾

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

Question number: 1067

» Biology » Control and Coordination

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MCQ▾

Question

The medulla oblongata of the brain controls which of the following actions?

I. Blood pressure

II. Breathing

III. Vomiting

IV. Helps coordinate movement

Which action/ (s) is/are correct?

Choices

Choice (4) Response

a.

II, III and IV only

b.

I and II only

c.

I, II and III only

d.

I, II and IV only

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