Physics (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 103 - 107 of 136

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Question number: 103

» 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: 104

» 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

Question number: 105

» Physics » Light

MCQ▾

Question

When a ray of light is going from one medium to another its

Choices

Choice (4) Response

a.

Wavelength increases

b.

Wavelength remains same

c.

Frequency remains same

d.

Frequency increases

Question number: 106

» Physics » Magnetism & Electricity at Work

MCQ▾

Question

If an electric current is passed through nerve of a man, then man

Choices

Choice (4) Response

a.

Is excited

b.

Begins to weep

c.

Becomes insensitive to pain

d.

Begins to laugh

Question number: 107

» Physics » Motion and Force

MCQ▾

Question

The position-time (x -t) graph for motion of a body is given below

Position Time Graph for body a

Position Time Graph for Body A

Understanding the graph for body a

Which one among the following is depicted by the above graph?

Choices

Choice (4) Response

a.

Positive acceleration

b.

Negative acceleration

c.

Zero acceleration

d.

Question does not provide sufficient data or is vague

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