What type of mirror is used in constructing kaleidoscope?

• plane mirror

• convex mirror

• concave mirror

• None of the above

What do we call to the study of visible light and it is used to extend human vision?

• optical 

• optics  

• physics  

• logic

Which of the following is an optical instrument use to observe over the obstacles of between 9 and 26 meters in height, and they are used in the submarines?

• telescope

• periscope

• microscope

• camera

How many plane mirrors are used in the construction of improvised periscope?

• 1

• 2

• 3

• 4

Which of the following optical devices is being used by the car driver to see the view behind him?

• dental mirror

• vehicle side mirror

• periscope

• kaleidoscope

Part II. To be done on 1 whole sheet of paper.

Construct a visual representation of the uses of mirror in optical devices. Choose 1 among the 3 tasks which suits to their abilities and talents.

• Construct a diagram showing the uses of mirror in Optical Instruments.

• Construct a slogan about the uses of mirror in Optical Instruments.

• Construct a drawing that shows visual representation of Periscope.

1.   Justify the importance of optical devices in your daily lives.