# IGCSE Physics Paper-1: Specimen Questions with Answers 115 - 118 of 149

Get top class preparation for Bank-PO right from your home: get questions, notes, tests, video lectures and more- for all subjects of Bank-PO.

## Question 115

### Question

MCQ▾

What is the momentum of a 10 kg 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 116

### Question

MCQ▾

How many Electrons are in a nucleus of Cl?

Choice (4)

a.

10

b.

18

c.

35

d.

17

d.

### Explanation

A = Mass number = 35

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

## Question 117

### Question

MCQ▾

Three rays of light fall on a concave lens as shown.

Which diagram shows the path of the rays passing through the lens?

Choice (4)

a.

b.

c.

d.

b.

### Explanation

• Concave lens is thicker at the edges than the centers.
• The rays get diverge from the normal.
• The image formed by the concave lens is diminished image.
• It is smaller than the object and
• The image is virtual image.

## Question 118

### Question

MCQ▾

Mercury of u-tube is exposed to air at below the sea level. What is the height of the mercury?

Choice (4)

a.

b.

c.

d.

b.