Science Content-How Things Work (CTET Paper-II Science): Questions 16 - 20 of 26

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Question number: 16

» Science Content » How Things Work

Appeared in Year: 2011

MCQ▾

Question

In which of the following cases of motion, are the distance moved and the magnitude of displacement equal? (Jun)

Choices

Choice (4) Response

a.

A car moving on a straight road

b.

A car moving in a circular path

c.

A pendulum oscillating to and fro

d.

The Earth revolving around the Sun

Question number: 17

» Science Content » How Things Work

Appeared in Year: 2011

MCQ▾

Question

LED and CFL are very commonly used as sources of light in homes. Which of the following statements is true? (June)

Choices

Choice (4) Response

a.

LED and CFL are equally good

b.

LED is better because CFL contains toxic materials

c.

CFL is better because LED contains toxic materials

d.

Neither of them is good because both contain toxic materials

Question number: 18

» Science Content » How Things Work

Appeared in Year: 2012

MCQ▾

Question

If the frequency of vibrations of a body is decreased and its amplitude is increased, then (Jan)

Choices

Choice (4) Response

a.

Pitch and loudness of sound produced will decrease

b.

Pitch decreases but loudness increases

c.

Pitch and loudness of sound produced will increase

d.

Pitch increases but loudness decreases

Question number: 19

» Science Content » How Things Work

MCQ▾

Question

When white light passes through a prism, the color that bends the least is

Choices

Choice (4) Response

a.

Indigo

b.

Violet

c.

Orange

d.

Red

Question number: 20

» Science Content » How Things Work

MCQ▾

Question

Which one of the following is the correct increasing order of the rolling, static and sliding frictions?

Choices

Choice (4) Response

a.

Rolling, sliding, static

b.

Rolling, static, sliding

c.

Static, sliding, rolling

d.

Sliding, static, rolling

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