Question

Answer the following ​

Answer 1

Answer:

11. unit of energy is joule

12. energy

14. energy is neither be created nor be destroyed

16. motion

Answer 2

Answer:

1.Energy

2.Straight

3. Transparent medium

4. 3×10^8 m/s

5.Optics

6. Reflection

7. Incident ray

8.Normal

9.qn is not clear

10.Rainbow colour

11.joule

12. energy

13.infinite

14.be created nor be destroyed

15.work/time

16.Motion