Question

State if the following statements are True or False. Correct the false statement.
1. Return of light after striking a surface is called the refraction of light.
2. The reflection that occurs when a beam of light falls on a smooth surface is called irre
reflection.
3. The reflection that occurs when a beam of light falls on wood or walls is called irr
reflection.
4. The left-right inversion of the image and the object is called lateral inversion.
5. Magenta, cyan and green are secondary colours.
6. Light travels at a speed of 3 x 108 m/s in glass.
7. Light travels much slower than sound in air.
GA​

Answer 1

Answer: False, False, True, True, False, False, False

Explanation:

1. False. Return of light after striking a surface is called reflection of light.

2.False. The reflection that occurs when a beam of light falls on a smooth surface is called regular reflection.

3.True

4.True

5.False. Magenta, Cyan and Yellow are secondary colours.

6.False Light travels with a speed of 2 x 10^8 m/s in glass.

7.False. Light travels much faster than sound in air.

Answer 2

Answer:

1. False

2. true

3. true

4. true

5. true

6. false

7. false

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