Grade 9/ ICSE/ Physics/ Reflection of light

Questions 1.                                            6 marks

Define the following with the suitable diagram.

1. incident ray.

2. Reflected ray

3. Angle of incidence

4. Angle of reflection

5. Normal

6. Glancing angle

Questions 2.

a. What are the laws of reflection of light?  (2)

b. What do you mean by lateral inversion?  How does the knowledge of lateral inversion helps in our daily life?                                              (2)

c.  Distinguish between real image and virtual image.                                                              (3)

d. Draw the image of a point object kept in front of a plane mirror.                                 (2)

Questions 3.

a. A boy is  standing in front of a plane mirror at distance of 3 m.

1.  What is the object distance?

2. How far is the image is formed?

3. What is the nature of the image?

4. Where is the image formed?

5.