Physics (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 118 - 121 of 133

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Question number: 118

» Physics » Motion and Force

MCQ▾

Question

A particle is thrown vertically upwards. Its velocity at half of the height is 10 m/s. Then, the maximum height attained by it, is

Choices

Choice (4) Response
a.

20 m

b.

16 m

c.

10 m

d.

40 m

Question number: 119

» Physics » Magnetism & Electricity at Work

Assertion-Reason▾

Assertion (Ꭺ)

Net torque in the current carrying loop placed in a uniform magnetic field (pointing inwards) is zero.

A uniform magnetic field

A Uniform Magnetic Field

The current carrying loop placed in a uniform magnetic field.

Reason (Ꭱ)

Magnetic moment (m) is inwards.

Choices

Choice (4) Response
a. Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ
b. Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ
c. Both Ꭺ and Ꭱ are false
d. Ꭺ is false but Ꭱ is true

Question number: 120

» Physics » Sound

MCQ▾

Question

Consider the following statements

I. A flute of smaller length produces waves of lower frequency.

II. Sound travels in rocks in the form of longitudinal elastic waves only.

Which of the statements given above is/are correct?

Choices

Choice (4) Response
a.

Only II

b.

Neither I nor II

c.

I and II

d.

Only I

Question number: 121

» Physics » Magnetism & Electricity at Work

MCQ▾

Question

The freezer in a refrigerator is located at the top section so that

Choices

Choice (4) Response
a.

The heat gained from the environment is high

b.

The motor is not heated

c.

The entire chamber of the refrigerator is cooled quickly due to convection

d.

The heat gained from the environment is low

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