NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 1332 - 1338 of 1484

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Question number: 1332

» Physics » Human Eye and World

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MCQ▾

Question

How much time the impression of an image remains on the human brain?

Choices

Choice (4) Response

a.

to of a second

b.

to of a second

c.

to of a second

d.

to of a second

Question number: 1333

» Physics » Human Eye and World

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MCQ▾

Question

What is Tyndall effect?

Choices

Choice (4) Response

a.

The scattering of light by colloidal particles

b.

It observed when sunlight passes through the canopy of dense forest

c.

Both a. and b. are correct

d.

Question does not provide sufficient data or is vague

Question number: 1334

» Physics » Human Eye and World

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MCQ▾

Question

The property of persistence of vision is used in-

Choices

Choice (4) Response

a.

Short sightedness

b.

Colour vision

c.

Long sightedness

d.

Cinematography

Question number: 1335

» Chemistry » Periodic Classification of Elements

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MCQ▾

Question

d – block elements is long term of periodic table are placed?

Choices

Choice (4) Response

a.

On the extreme right

b.

In the bottom

c.

In the middle

d.

On the extreme left

Question number: 1336

» Chemistry » Chemical Reactions and Equations

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MCQ▾

Question

Select the reaction which is completely balanced?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1337

» Chemistry » Acids, Bases and Salts

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MCQ▾

Question

Select the weak acid among the following mineral acids?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1338

» Chemistry » Periodic Classification of Elements

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MCQ▾

Question

An element having electronic configuration …………. . is most electropositive?

Choices

Choice (4) Response

a.

b.

c.

d.

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