1. The terms used internationally for multiples and sub-multiples of various units are known as:

2. The study of the isolated nuclei of an atom is called:

3. The branch of science which deals with the study of properties of matter, energy and their mutual relationship is called:

4. A physical balance is used to measure:

5. The study of internal structure of earth and its activities like seismography is called:

6. The SI unit of intensity of light is:

7. SI unit of electric charge is

8. Length of the smallest division on main scale of the vernier calipers is:

9. 1μs is equal to:

10. The international system of units is abbreviated as: