IGCSE Physics Paper-1: Specimen Questions with Answers 47 - 49 of 149

Question number: 47

Edit
MCQ▾

Question

How we find temperature?

Choices

Choice (4)Response

a.

Thermometer

b.

a force meter

c.

micrometer screw gauge

d.

a balance and a ruler

Answer

a.

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

Edit
MCQ▾

Question

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

Circuit diagram consists of two bulbs and three switches.

Circuit Diagram Consists of Two Bulbs and Three Switches.

Choices

Choice (4)Response

a.

1 and 3

b.

1 and 2

c.

2 and 3

d.

1,2 and 3

Answer

a.

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

Edit
MCQ▾

Question

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

Two graphs of speed ⟶ time

Two Graphs of Speed ⟶ Time

Choices

Choice (4)Response

a.

object1

b.

object 2

c.

same speed

d.

All of the above

Answer

a.

Explanation

For Object 1:

Here in given figure we show that an object 1 moving at constant speed 2 m/s.

Here we want to find the distance traveled by the object in first 3 sec. Therefore from formula of speed,

Developed by: