He adjusted the light levels of the lamp to change the atmosphere of the room.

Visible light is the range of light visible to the human eye.

This lens is used for light concentration.

This lens is used to concentrate light.

He is the fifth generation king of the royal family.

I paid for today's lunch charge.

There are three copiers in my office.

I have three dining tables in my house.

This is my first attempt.

There are five questions on the test.