Class 9 Physics · Chapter 1 · Test 1
Fundamentals and SI Units
25 MCQs • Practice physical quantities, measurement, base and derived quantities, SI units, and scientific notation according to the textbook.
25 questions · 20 min · 25 marks
Sample questions
The first 5 of 25. Try each one, then tap to see the answer.
Question 1
Which of the following is a physical quantity?
- ALove
- BLength
- CWisdom
- DBeauty
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Answer: B
Length can be measured and expressed using a number and a unit.
Question 2
Which of the following is a non-physical quantity?
- AMass
- BFear
- CTime
- DDensity
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Answer: B
Fear is a non-physical quantity.
Question 3
What two parts are needed to express a measurement?
- AInstrument and observer
- BNumber and unit
- CScale and pointer
- DError and uncertainty
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Answer: B
A measurement is expressed using a numerical value and a unit.
Question 4
Which of the following is an SI base quantity?
- ASpeed
- BArea
- CLength
- DVolume
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Answer: C
Length is one of the seven SI base quantities.
Question 5
Which of the following is a derived quantity?
- AMass
- BTime
- CTemperature
- DSpeed
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Answer: D
Speed is derived from distance divided by time.
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