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.

Image of Length of pen

Image of Length of Pen

What would be the length of the pen?

Choices

Choice (4)

a.

47 cm

b.

41 cm

c.

39 cm

d.

50 cm

Answer

a.

Explanation

Length of pen answer

Length of Pen Answer

  • 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?

Choices

Choice (4)

a.

Light Dependent Resister? part -2

b.

Light Dependent Resister? part -3

c.

Light Dependent Resister? part -4

d.

Light Dependent Resister? part -1

Answer

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

Light Dependent Resister?

Light Dependent Resister?

Question number: 115

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Question

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

Choices

Choice (4)

a.

2 Kg m/s

b.

50 Kg km/hr

c.

10 Kg m/s

d.

50 Kg m/s

Answer

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?

Choices

Choice (4)

a.

10

b.

18

c.

35

d.

17

Answer

d.

Explanation

A = Mass number = 35

Here, the Z = Atomic number = number of protons = number of electrons present in the atom = 17

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