IGCSE Physics Paper-1: Specimen Questions with Answers 147 - 149 of 149

Question 147

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Question

MCQ▾

In the given table describe the nature of a particles

Choices

Choice (4)
a.
b.
c.
d.

Answer

d.

Explanation

  • Particles are negatively charged. Charge of - particle is -1 and the mass of the particle is th of the proton.
  • particles are fast and light
  • They have medium penetration power.
  • Ionize other atoms not strong as Rays.
  • -rays are not particles they are waves or rays and they do not have mass and charge. And these rays have high penetration power.

Question 148

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Question

MCQ▾

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

Image of the Clock mirror

Image of the Clock Mirror

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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

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  • 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 149

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Question

MCQ▾

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

The Image of Circuit

The Image of Circuit

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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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