# Formula and Definition Quiz for Sec 3 Physics

## Quiz by Jessica Lew

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- Q1
Which of the following best describes what is a physical quantity?

A quantity that can be measured

A quantity that has a numerical value

A quantity that has a unit

A quantity that can be measured and has a numerical value and unit

30s - Q2
Which of the following are base quantities?

Length, mass, time, current, temperature, luminous intensity and amount of substance

area, mass, time, current, temperature, luminous intensity and amount of substance

Length, Weight, time, resistance, temperature, luminous intensity and amount of substance

Length, Weight, time, current, temperature, luminous intensity and amount of substance

120s - Q3
How many base quantities are there?

5

6

7

4

120s - Q4
Arrange the following prefix in ascending order(smallest to biggest)

nano, micro, milli, centi, deci, kilo, mega and giga

micro, nano, milli, centi, deci, kilo, giga and mega

giga, mega, kilo, deci, centi, milli, micro and nano

120s - Q5
what is the definition of a vector quantity and what is one example?

Physical Quantity that has magnitude and direction, Example: speed

Physical Quantity that has magnitude only, Example: acceleration

Physical Quantity that has magnitude and direction, Example: Weight

Physical Quantity that has magnitude only, Example: volume

120s - Q6
What is the precision(smallest division) of a ruler?

0.1 cm

0.01 cm

0.001 cm

1 cm

120s - Q7
what is the precision of a vernier caliper?

0.01 cm

0.1 cm

0.001 cm

1 cm

120s - Q8
What is the precision of a micrometer screw gauge?

0.01 cm

0.01 mm

0.1 cm

1 cm

120s - Q9
if the length measured is from 2 cm to less than 15 cm, what instrument do i use?

micrometer screw gauge

vernier caliper

metre ruler

120s - Q10
if the range of length to be measured is less than 2 cm, which instrument should i use?

metre ruler

micrometer screw gauge

vernier caliper

120s - Q11
How do you correct a zero error?

add the zero error

add or subtract the zero error

always subtract the zero error

120s - Q12
which is a definition of an oscillation?

time taken to complete one swing

one complete swing

the pathway from highest point to the next highest point

120s - Q13
which defines period?

pathway of one complete swing

time taken for one oscillation

time taken for the whole experiment

120s - Q14
which factors affect the period of an oscillation?

length and gravitational acceleration only

length only

length, gravitational acceleration and angle of displacement

gravitational acceleration only

120s - Q15
what is considered as the length of a pendulum?

distance from the top of the string to the middle of the bob

diameter of the bob only

distance from the top of the string to the end of the bob

length of the string only

120s