# IGCSE Physics Paper-1: Specimen Questions with Answers 54 - 56 of 109

## Question number: 54

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MCQ▾

### Question

Cotton is measured between two points on a scale. This cotton is rolled around a pen 6 times. Find the length of each roll?

### Choices

Choice (4) Response

a.

13.2cm

b.

15.6 cm

c.

2.6cm

d.

2.2cm

d.

### Explanation

From first given figure the length of the cotton is measured as,

Now, length of the cotton is wound closely around a pen, and it goes six rounds. So, distance of one round is given as,

## Question number: 55

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MCQ▾

### Question

Calculate average speed of the car, if rad length is 5000 m and car takes 2 minutes to cover it across 2 end points.

### Choices

Choice (4) Response

a.

1000 km/h

b.

3.0 km/h

c.

2.5 km/h

d.

150 km/h

c.

### Explanation

Here to find the average speed we can use the formula for this is given as,

Here we have distance is 5000 m Then we can write 5 km.

## Question number: 56

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MCQ▾

### Question

Which wave cannot travel through a vacuum?

### Choices

Choice (4) Response

a.

Sound waves

b.

X-rays

c.

Microwaves

d.