# CIE Physics Paper-1: Specimen Questions 58 - 60 of 109

## Question number: 58

MCQ▾

### Question

In which state energy change is taking place in this graph?

### Choices

Choice (4) Response
a.

Q and S

b.

P and R

c.

P and S

d.

Q and R

a.

### Explanation

In above figure we show the phase diagram

As we start to apply heat then molecule inside the solid are expand and phase change from solid to liquid. Again we increase temperature then again phase change from liquid to gas. So, at Q and S parts of the graph show a change of state taking place

## Question number: 59

MCQ▾

### Question

Why a person does not takes time to feel hot if he fills steel beaker with hot water?

### Choices

Choice (4) Response
a.

Water is a poor conductor of heat.

b.

Steel is a good conductor of heat.

c.

Steel is a poor conductor of heat.

d. All of the above

b.

### Explanation

Conductor means is allowed to flow something. We can also say that it allowed to passing something from heat. In this case it immediately heats up as steel is good conductor. Because steel glass is good conductor of heat, so it passing the heat of water to his hand very fast.

## Question number: 60

MCQ▾

### Question

Which form of energy is increasing as man dives or falls?

### Choices

Choice (4) Response
a.

Chemical

b.

Kinetic

c.

Gravitational

d.

Strain