CIE Physics Paper-1: Specimen Questions 91 - 93 of 109

Question number: 91

MCQ▾

Question

A stopwatch is used to time a race with start and at the end of the race. How long did the race take?

Stopwatch indicated the time of race

Stopwatch indicated the time of race

The start time and end time of the race are shown in figure by stopwatch used in the race.

Choices

Choice (4) Response
a.

46.0s

b.

45.7s

c.

47.0 s

d.

20 s

Answer

d.

Explanation

From above figure, we can note down the start time is 0.0 s and end time is 20 s. Therefore race time is given as,

Theracetime(t)=Endtime(te)starttime(ts)

t=200.0

t=20s

Question number: 92

MCQ▾

Question

The diagram shows the speed ⟶ time graph. Find distance covered in first 3 seconds.

The graph of speed ⟶ time

The graph of speed ⟶ time

In above figure we show that graph of speed vs time.

Choices

Choice (4) Response
a.

1.5m B

b.

1m

c.

0m

d.

6.0 m

Answer

d.

Explanation

Here in given figure we show that an object moving at constant speed.

Here we want to find the distance traveled by the object in first 3 sec. Therefore from formula of speed,

speed=distancetime

distance=speed×time

distance=2ms×3s

distance=6m

Question number: 93

MCQ▾

Question

If the water level is indicated by arrow in the figure, find the difference in the water level of both the cylinders?

Two measuring cylinder.

Two measuring cylinder.

In figure two measuring cylinder filled with water is shown. The water level indicated by arrow.

Choices

Choice (4) Response
a.

10

b.

5.6

c.

55

d.

65

Answer

a.

Explanation

Here in above figure we show that both cylinders has different level of water

To find different between them,

Difference= Levelof1stbeakerlevelof2ndbeaker

Difference=6555

Difference=10

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