NSTSE (National Science Talent Search Exam- Unified Council) Class 8: Questions 1746 - 1752 of 2028

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Question number: 1746

» Physics » Light

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MCQ▾

Question

Which of the following part of the eye, adjust the focal length of eye such a way that image is formed on retina?

Choices

Choice (4) Response

a.

Ciliary Muscles

b.

Macula

c.

Cornea

d.

Pupil

Passage

Mention the layers of earth and answers the questions given below it.

Layers of earth

Layers of Earth

In figure layer of earth is shown.

Question number: 1747 (1 of 3 Based on Passage) Show Passage

» Physics » Some Natural Phenomena

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MCQ▾

Question

Which layer is composed of liquefied metals?

Choices

Choice (4) Response

a.

Layer 1

b.

Layer 3

c.

Layer 4

d.

Layer 2

Question number: 1748 (2 of 3 Based on Passage) Show Passage

» Physics » Some Natural Phenomena

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MCQ▾

Question

What is name of layer 2?

Choices

Choice (4) Response

a.

Crust

b.

Inner core

c.

Outer core

d.

Mantle

Question number: 1749 (3 of 3 Based on Passage) Show Passage

» Physics » Some Natural Phenomena

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MCQ▾

Question

Which layer is named as inner core?

Choices

Choice (4) Response

a.

Layer 3

b.

Layer 2

c.

Layer 1

d.

Layer 4

Question number: 1750

» Physics » Some Natural Phenomena

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MCQ▾

Question

A charged body is connected by one end of another electrical conducting body rod. Another end of this conducting rod is connected to the ground, and charges of first body transfer through this conducting rod to the earth. This process is called:

Choices

Choice (4) Response

a.

Conduction

b.

Earthing

c.

Induction

d.

None of the above

Question number: 1751

» Physics » Some Natural Phenomena

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MCQ▾

Question

Which of the following is used as a major material to make a lightning rod?

Choices

Choice (4) Response

a.

Plastic

b.

Copper

c.

Carbon

d.

Wood

Question number: 1752

» Physics » Friction

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MCQ▾

Question

Why the surface of the head of a match stick and side of a match box are made rough?

Choices

Choice (4) Response

a.

Increase amount

b.

Decrease amount of heat

c.

Decrease the friction

d.

Increase the friction

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