Question

Q-6 Answer the following :-
1. State the laws of reflection.
2. Name all the general terms related to reflection of light with diagram.
3. Explain any four uses of plane mirror.
4. How can you obtain a secondary colour ?
5. Explain regular and irregular reflection with diagram.
6. Explain any four application of radiation in everyday life.
7. Name the different effects of heat of an object.
8. Explain all the common terms related to sound.
9. Write any four uses of ultrasonic sound.
10. What are the characteristics of sound.​

Answer 1

Answer:

laws of Reflection is

1) Angle of incidence is always Equal To angle of Reflection

2) The Incident Ray , Normal At The Point of Incidence and The reflected Ray all Lie in The Same Plane .