IGCSE Physics Paper-1: Specimen Questions with Answers 7 - 9 of 149

If plane mirror is on a wall, which image will be formed?

Answer

b.

Explanation

The size of image formed by the plane mirror is always same as object and it is at same distance from mirror to object. So, here the right way up and same size as the object is the correct option.

What is the instrument called which measures temperature?

Answer

d.

Explanation

Here option ammeter, barometer and manometer are wrong

Because ammeter is use for current measurement And barometer and manometer is used to measure pressure

In this figure we show that thermometer instrument which is rod like device which use to measure temperature.

The diagram shows the speed-time graph for object at constant speed. Find distance covered in first 2 seconds.

Answer

c.

Explanation

Here in given figure we show that an object moving at constant speed.

Here we want to find the distance traveled by the object in first 2 sec. Therefore from formula of speed,