Physical Quantities, Unit And Measurement, Chapter 1 Flashcards
1
Q
In a pendulum each complete to and from motion is?
A
One oscillation
2
Q
What is a scalar quantity
A
Scalar has only magnitude and no direction
3
Q
What is a vector quantity
A
Vector has both direction and magnitude.
4
Q
What is velocity
A
Velocity is the rate of change of displacement
5
Q
SI unit for length
A
Metre (m)
6
Q
SI unit for mass
A
Kilogram (kg)
7
Q
SI unit for time
A
Seconds (s)
8
Q
SI unit for electrical current
A
Ampere (A)
9
Q
SI unit for thermodynamic temperature
A
Kelvin (K)
10
Q
SI unit for the amount of substance
A
Mole (mol)
11
Q
Tera- (T)
A
10 to the power of positive 12
12
Q
Giga- (g)
A
10 to the power of positive 9
13
Q
Mega- (m)
A
10 to the power of positive 6
14
Q
Kilo- (k)
A
10 to the power of positive 3
15
Q
Deci- (d)
A
10 to the power of negative 1
