Section A – Physics
1.What is the SI unit of electric current?
2.State Ohm’s Law.
3.What is electric power? Write its formula.
4.Define resistance.
5.What is the difference between concave and
convex mirrors?
6.What is refraction of light?
7.Define focal length of a lens.
8.What is the unit of electric power?
9.What is a conductor? Give one example.
,10. What is an insulator?
, Section B – Chemistry
11. What is a chemical reaction?
12. What is oxidation?
13. What is reduction?
14. What are acids? Give one example.
15. What are bases?
16. What is a neutral solution?
17. What is the pH scale?
18. What is rusting?
19. What is a balanced chemical equation?
20. What is corrosion?