IGCSE Physics Paper-1: Specimen Questions with Answers 148 - 149 of 149

Question number: 148

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MCQ▾

Question

The image of the clock face as seen in a plane mirror is shown

Image of the Clock mirror

Image of the Clock Mirror

What is the time on the clock?

Choices

Choice (4)

a.

4.25

b.

5.30

c.

3.25

d.

3.30

Answer

c.

Explanation

Image of Clock mirror

Image of Clock Mirror

  • The image formed by a plane mirror has certain properties.

  • The image formed by a plane mirror is erect and upright.

  • Image is in same size of the object.

  • Distance of object from mirror is the same as the image from the mirror.

  • It will have lateral inversion it means the left right reversal of the image.

Question number: 149

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MCQ▾

Question

In the circuit, what is the current in the lower branch?

The Image of Circuit

The Image of Circuit

Choices

Choice (4)

a.

1.5A

b.

0.5A

c.

0.2A

d.

0.8A

Answer

c.

Explanation

  • The above circuit is a parallel circuit and it contains branches.

  • Some of the current passes through both branches.

  • The current in the branches adds up the total current leaving the cell.

  • So, other branch has the current of 0.2A.

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