1.1. Physical Quantities Flashcards
1
Q
All physical quantities consist of
A
A numerical magnitude
and a unit
2
Q
Height of an adult human
A
2 m
3
Q
Mass of an adult human
A
70 kg
4
Q
Mass of a car
A
1000 kg
5
Q
Power of a lightbulb
A
60 W
6
Q
Speed of sound in air
A
330 ms−1
7
Q
Speed of a car on the motorway
A
30 ms−1
8
Q
Weight of an apple
A
1 N
9
Q
Density of water
A
1000 kgm−3
10
Q
Time taken for a sprinter to run
100m
A
10 s
11
Q
Current in a domestic appliance
A
13 A
12
Q
E.M.F of a car battery
A
12 V
13
Q
Atmospheric pressure
A
1.0 × 10^5 P a
14
Q
Young’s modulus of a given materia
A
Something x 10^11
