Physical Quantities & Units.

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Attempted 2
Attempted
1. 
Which is an example of a derived quantity?

2. 
What is 1 Picosecond (ps) in seconds?

3. 
Which quantity has a supplementary unit?

4. 
Which is an example of a scalar quantity?

5. 
What unit measures the amount of substance?

6. 
What is 1 Astronomical unit (AU) in metres?

7. 
What does the prefix "giga" (G) mean?

8. 
Where is the kilogram prototype kept?

9. 
What unit measures luminous intensity?

10. 
Which scalar quantity is related to electricity?

11. 
What is a vector quantity?

12. 
What unit measures a plane angle?

13. 
Which is an example of a derived unit?

14. 
Which is a supplementary quantity?

15. 
Which is an example of a vector quantity?

16. 
Which prefix represents 10⁻²¹?

17. 
How many fundamental units are there?

18. 
Which quantity is a scalar?

19. 
How many light years is 1 Parsec?

20. 
What is a steradian used for?

21. 
Which prefix means 10⁻¹²?

22. 
How much is 1 Gram (g) in kilograms?

23. 
What is a scalar quantity?

24. 
Which unit was added later to the fundamental units?

25. 
What is 1 Light year in metres?

26. 
What is the Chandrashekhar limit related to?

27. 
What is another name for the CGS system?

28. 
What is 1 Angstrom (Å) equal to?

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