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0654 Multiple choice 4

Authored by Battsetseg.d Duger

Physics

10th Grade

Used 9+ times

0654 Multiple choice 4
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13 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the difference between speed and velocity?

Speed has magnitude and direction; velocity has magnitude only.

Speed has magnitude and direction; velocity has direction only.

Speed has magnitude only; velocity has magnitude and direction.

Speed has magnitude only; velocity has direction only.

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The diagram shows a car of mass 1000 kg travelling along a straight, horizontal road. The driving force from the car’s engine is 3000N. The total resistive force acting on the car is 2500 N.

What is the acceleration of the car along the road?

2.0 m /s²

0.50 m / s²

5.5 m / s²

3.0 m / s²

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

An object moving at speed v has kinetic energy E. What is the speed of the object when its kinetic energy is 4.0E?

2.0 v

4.0 v

0.25 v

16 v

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A passenger lift (elevator) has a total weight of 4000 N, including the people inside it. The power output of the lift motor is 800 W.

How much time does it take for the lift to rise 12 m vertically?

6.0 s

24 s

60 s

2.4 s

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What happens to the temperature of a substance as it is melting and as it is boiling?

A

B

C

D

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The diagram shows how a thin, converging lens forms an image of an object. One principal focus of the lens is labelled F.

How is the image described?

enlarged, upright and virtual

enlarged, upright and real

diminished, inverted and virtual

diminished, inverted and real

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which statement about sound is correct?

Sound waves travel more quickly in a vacuum than in air.

An echo is produced by refraction of sound waves.

The amplitude of a sound wave affects the pitch of a sound.

The approximate range of audible frequencies for a human is 20 Hz–20kHz.

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