# IGCSE Physics Paper-1: Specimen Questions with Answers 113 - 116 of 149

## Question number: 113

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MCQ▾

### Question

A ruler is used to measure length of pen.

What would be the length of the pen?

Choice (4)

a.

47 cm

b.

41 cm

c.

39 cm

d.

50 cm

a.

### Explanation

• The length of the pen would be 47cm.

• The tip of the pen is at 6cm on scale and end of the pen at 53cm.

• The required length is .

## Question number: 114

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### Question

Which of the following symbol is for the Light Dependent Resister?

Choice (4)

a.

b.

c.

d.

c.

### Explanation

• In the dark conditions the Light dependent resistor LDR has a high resistance.

• In the light the resistance of the LDR is very low.

• The symbol of the Light Dependent Resistor is

## Question number: 115

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### Question

What is the momentum of a 10kg truck travelling at 5 m/s?

Choice (4)

a.

2 Kg m/s

b.

50 Kg km/hr

c.

10 Kg m/s

d.

50 Kg m/s

d.

### Explanation

Momentum refers to the quantity of motion of an object.

Momentum (kg m/s)

## Question number: 116

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### Question

How many Electrons are in a nucleus of Cl?

Choice (4)

a.

10

b.

18

c.

35

d.

17