1. The volume is derived quantity from_______
a) Breadth b) Mass c) Length d) None
2. SI Unit of energy is__________
a) Joule b) Calvin c) N d) None
3. Symbol of Candela is _________
a) cD b) Cd c)CD d)None
4. 1 Hour 18 mins_________seconds
a) 4680 b) 4682 c) 5676 d) 4563
5. Time period of a seconds pendulum is independent of its length.
a) False b) True
6. Weight of a body varies from place to place.
a) False b) True
7. _____can be classified chemically into pure substances and mixtures
a) Matter b)Mass c) Energy d) Motion
8. Soda water can be separated by ________ pressure
a) Increasing b) lowering c)none
9. Baking soda is a compound
a) True b) False
10. Chemical formula of ____________is Ca3N2
a) Calcium nitride b) Calcium nitrogen c) Calcium nitroxide d) None
11. Name of the element Ni is_______
a) Nichrome b)Neon c) Nickel d) Nitrogen
12. Cathode rays are _______charged particles
a) Negatively b) Positively c) Neutrally d) None
13. The nucleus of an atom is neutral
a) False b) True
14. According to Rutherford’s atomic model entire mass of the atom is concentrated at the ________
a) Orbit of the atom b) Center of atom c)subshell d) None
15. As long as electron is in a particular orbit, electron can never lose its energy on its own
a) True b) False
Answers: 1-c 2-a 3-b 4-a 5-a 6-b 7-a 8-b 9-a 10-a 11-c 12-a 13-a 14-b 15-a
