8.1 The uses of mirror

8.1 The uses of mirror

by KASMAWATI Moe

​At the end of this lesson, you will be able to

8.1.1 differentiate between a real image and a virtual image

8.1.2 Communicate about the characteristics of image formed by a plane mirror, concave mirror and convex mirror

​8.1.3 state that the object distance is equal to the image distance in a plane mirror

​

  

​Did you see yourself in the mirror today?

Multiple Choice

The one you see in the mirror is an...

• object

• image

​What type of image did you see in the mirror?

​A real image or a virtual image?

• A real image is an image that forms on a screen

​

• A virtual image is an image that cannot be formed on a screen.

Our image forms behind the mirror, not on the mirror screen.

Multiple Choice

What type of image formed in the plane mirror?

• Real Image

• Virtual image

We use plane mirror for

1. ​reflection

2. ​brighten up the space

3. ​decoration

4. ​enlarge the room​

Multiple Choice

What the meaning of real image?

• Image that forms on a screen

• Image that cannot be formed on the screen

• Image that formed behind the screen

​Three types of mirror

​Image formed:

same size​

as object

bigger than​

the object

smaller than​

the object

​image

object

​same size

​smaller size

​enlarged

Multiple Choice

The size of the image formed in a concave mirror is _________________than the size of the object.

• smaller

• same

• larger

Multiple Choice

Which of the following is a usage of plane mirror?

Multiple Choice

A plane mirror applies the concept...

• light reflection

• light dispersion

• light diversion

​

​

Multiple Choice

The best instrument to see the scenery behind the wall is.. 

• a plane mirror

• a periscope

• a kaleidoscope

• a telescope

​

• ​

Multiple Choice

How to solve the problem?

• fix a plane mirror at the corner 

• fix a concave mirror at the corner 

• fix a convex mirror at the corner 

Multiple Choice

which mirror is suitable to solve the problem?

• plane mirror

• concave mirror

• convex mirror

​convex mirror as the side mirror

Multiple Choice

How many mirrors there are in the periscope?

• 5

• 4

• 3

• 2

Multiple Choice

Sally is applying make up and to magnify the image, she needs to use a

• concave mirror

• convex mirror

• plane mirror

Multiple Select

Which statements are correct about the mirror on the left?

• It is a concave mirror

• It is a convex mirror 

• It is used to magnify image

• It enables the shopkeeper to see every corner of the supermarket 

Multiple Choice

Mr Li wants to make his house look spacious. Which of the mirrors below should he use?

• convex mirror

• concave mirror

• plane mirror