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The video tutorial introduces the concept of a ruler and explores the idea of reflection, providing foundational understanding of these topics.

What is the primary purpose of a ruler?

• To calculate angles

• To draw circles

• To measure lengths

• To write notes

Which of the following is NOT a use of a ruler?

• Measuring distances

• Drawing straight lines

• Reflecting light

• Marking points

What is reflection primarily concerned with?

• Bouncing back of light

• Diffusion of light

• Absorption of light

• Bending of light

Which of the following is an example of reflection?

• A mirror showing your image

• A prism splitting light

• A lens focusing light

• A pencil in water appearing bent

What happens to light during reflection?

• It is absorbed

• It changes color

• It bounces back

• It is scattered