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

## Question 147

### Question

MCQ▾

In the given table describe the nature of a particles

Choice (4)

a.

b.

c.

d.

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

### Question

MCQ▾

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

What is the time on the clock?

Choice (4)

a.

4.25

b.

5.30

c.

3.25

d.

3.30

c.

### Explanation

• 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

### Question

MCQ▾

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

Choice (4)

a.

1.5A

b.

0.5A

c.

0.2A

d.

0.8A