IGCSE Physics Paper-1: Specimen Questions with Answers 95 - 97 of 149

Question 95

Question

MCQ▾

Find average speed of the car if tunnel is of length 50 km and car takes 20 minutes to cover it?

Choices

Choice (4)

a.

1000 km/h

b.

2.5 km/h

c.

150 km/h

d.

16.6 km/h

Answer

b.

Explanation

Here to find the average speed we can use the formula for this is given as,

Question 96

Question

MCQ▾

The boy weighs more than the girl and both run the top of the hill. What would be power?

A Boy and a Girl and Their Weights

Choices

Choice (4)

a.

The boy produces more power.

b.

It is impossible to tell who produces more power.

c.

The girl produces more power.

d.

They both produce the same power.

Answer

a.

Explanation

Here boy and girl both run up a hill at same time.

Now power produced means energy transfer per time.

Now both have same time, but transfer energy is different. Because it is directly depends on weight.

Then if mass is more the energy is more so the boy produced more power.

Question 97

Question

MCQ▾

The diagram shows a torch containing two batteries, a switch and a lamp.

Diagram of Torch Containing Two Batteries

What is the circuit diagram for the torch?

Choices

Choice (4)

a.

Circuit Diagram for Torch (Choice A)

b.

Circuit Diagram for Torch (Choice B)

c.

Circuit Diagram for Torch (Choice C)

d.

Circuit Diagram for Torch (Choice D)

Answer

a.

Explanation

According to figure of the torch both cells are in series with battery and bulb. So only figure of choice A gives this type of proper arrangement of the electric component. So choice A is correct.

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