Physics for pre-IGCSE-Homework
sheet "4 "
Q·l: chose the correct answer:
1. Force can be measured in kilo Newton and it can be written as
A. kn
B. Kn
C. kN
D. KN
2. Only sentence Gem be a vector physical 'buantity
A. The temperature of this liquid is 12 C
B. A person runs 12 m towards east.
C. The length of a pencil is 12 cm.
D. A box contains 12 books
3.
4.
23 Megameter can be written as
A. 2?) x 103 mm
B. ,;3 x 10.3 mrn
C. 23 x 109 mm
D. 23 x 10.9 mm
23 kilometer can be written as
A. 2.3 x 103 mm
B. 2.3 x 10.3 mm
C. 2.3 x 104 mm
D. 2.3 x 10.4 rnrn
~~. The volume of air in a room was 325 rn', it can be written in scientific notation as
A. 325 rrr'
B. 32.5 x 10 m3
C. 3.25 x 102m3
D. 0.325 x 10.1 m3
6.
Force can be measuredin
A. kmn
B. Mn
C. mN
rnilli-newton and it can be written as
D. MN
7.
•
Force can be measured in Giga Newton and it can be written as
A. gn
B. Gn
C. gN
D. GN
•
Physics for pre-JGCSE-Homework
8.
sheet "4 "
The volume of air in a room was 45 m ', it can be written in scientific notation as
A. 45 m3
B. 4.5 x ]0 m3
C. 0.45 x ]fY rrr'
D. 450 x 10-1 m3
p
Qb. Convert the following units:
0.75 kg to milligrams
1500 millimeters
to km
2390g to kg
0.52m to meters
65g to kg
750 micrograms to g
0.25 megameters
to em
23.8 ng to kg
2.77 kg to mg
2.90 em to
gegameters
1.08 kg to ~g
9.57 x 10- mm to
nanometers
2.00 L to mL
35.28 mL to L
45.6 microseconds to
megaseconds
8
•