NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension: Questions 512 - 514 of 1058

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Question 512

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Question

MCQ▾

Consider the flowing statements

I. On moving from left to right in period atomic radii increases.

II. On moving from left to right in period atomic radii decreases. Which of the above statement (s) is/are correct?

Choices

Choice (4)Response

a.

Only I

b.

I and II

c.

Only II

d.

All of the above

Question 513

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Question

MCQ▾

Bubbles of gas, escaping from the mud at the bottom of a deep lake, rise to the surface. As the bubbles rise, the bubble gets larger. Why is this?

A deep lake full of mud escaping bubbles of gas

A Deep Lake Full of Mud Escaping Bubbles of Gas

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Choices

Choice (4)Response

a.

Atmospheric pressure on the bubbles decreases

b.

Water pressure on the bubbles decreases

c.

Water pressure on the bubbles increases

d.

Atmospheric pressure on the bubbles increases

Question 514

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Question

MCQ▾

A vessel is in the form of an inverted cone. Its height is 8 cm and radius of its top which is open is 5 cm. It is filled with water up to the rim. When lead shots each of which is a sphere of radius 0.5 cm, are dropped into the vessel, one-fourth of water flows out. The number of lead shots dropped into the vessel.

Choices

Choice (4)Response

a.

50

b.

75

c.

85

d.

100