# CIE Physics Paper-1: Specimen Questions 47 - 49 of 109

## Question number: 47

MCQ▾

### Question

How we find temperature?

### Choices

Choice (4) Response
a.

a balance and a ruler

b.

a force meter

c.

micrometer screw gauge

d.

Thermometer

d.

### Explanation

A balance and a ruler is used to measure mass and length respectively.

Force meter is used to measure force. And screw gauge used to measure small length in range of micro

Therefore Thermometer is used to measure the temperature.

## Question number: 48

MCQ▾

### Question

Which switches must be closed to light both lamps based on the circuit diagram?

### Choices

Choice (4) Response
a.

2 and 3

b.

1, 2 and 3

c.

1 and 3

d.

1 and 2

c.

### Explanation

Here for two bulbs and three switches are connected as shown in figure. For lighting the bulb circuit should be closed for both the bulb. Therefore from figure switch 1 is connected to 1st bulb so it must be closed and switch 3 is connected to 2nd bulb so it also must be closed for passing the current through both the bulbs.

## Question number: 49

MCQ▾

### Question

Speed-time graph at constant speed for 2 objects is given. Which particle traveled higher distance in first 3 sec?

### Choices

Choice (4) Response
a.

object1

b.

object 2

c.

same speed

d. Question does not provide sufficient data or is vague