Physical Quantities and Units
Physics ⇒ Mechanics
Physical Quantities and Units starts at 6 and continues till grade 12.
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See sample questions for grade 7
Explain the difference between fundamental and derived quantities.
Is 'speed' a fundamental or derived quantity?
What is the physical quantity measured in seconds?
What is the SI unit of acceleration?
What is the SI unit of area?
What is the SI unit of density?
What is the SI unit of force?
A car travels 100 metres in 5 seconds. What is its speed in m/s?
Which of the following is a correct pair of physical quantity and its SI unit?
(1) Mass - gram
(2) Length - metre
(3) Time - hour
(4) Force - kilogram
Which of the following is a derived quantity?
(1) Length
(2) Mass
(3) Volume
(4) Time
Which of the following is a derived unit?
(1) metre
(2) kilogram
(3) newton
(4) second
Which of the following is a fundamental physical quantity?
(1) Length
(2) Speed
(3) Area
(4) Volume
Fill in the blank: 1 centimetre = _______ millimetres.
Fill in the blank: 1 hour = _______ seconds.
Fill in the blank: 1 kilometre = _______ metres.
Fill in the blank: 1 metre = _______ centimetres.
Is 'ampere' the SI unit of electric current?
Is 'candela' the SI unit of luminous intensity?
Is 'kelvin' used to measure temperature in the SI system?
Is 'second' a base unit in the SI system?
