KCL Section 1: Materials

Question 1

Convert the units into SI units:

A. Joule
B. Watt
C. Hertz
D. Coulomb
E. Ohm
F. Pascal
G. Newton
H. Volt

Answer 1

A. kgm2s−2
B. kgm2s−3
C. s-1
D. As
E. kgm2s−3A-2
F. kgm-1s−2
G. kgms−2
H. kgm2s−3A-1

Question 2

What object is 4.014 × 1016 m away from us?
What kind of object has a mass of 0.0000000585g?
Is a radius of 0.00000000001m more likely to apply to an atom or a cell?
Is a photo with a size of 32400000 bytes above or below average size for a photo taken by a phone camera?

Answer 2

Promixa Centuari
Grain of salt
Atom
Below