Physical Quantities & Measurement: Easy 1

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Class 9 · Physics · Easy · 8 questions

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1What is the SI unit of length?

Kilogram

Metre

Second

Litre

2What is the SI unit of mass?

Newton

Gram

Kilogram

Pound

3What is the SI unit of time?

Minute

Hour

Second

Day

4Which of these is a base (fundamental) quantity?

Speed

Mass

Area

Volume

5Which instrument is used to measure the diameter of a thin wire accurately?

Metre rule

Screw gauge (micrometer)

Measuring cylinder

Stopwatch

6What quantity does a measuring cylinder directly measure?

Mass

Volume of liquid

Temperature

Time

7A vernier caliper is most suitable for measuring which of the following?

The internal diameter of a small pipe

The temperature of boiling water

The mass of a book

The time for a pendulum to swing

8Which of these quantities is a derived quantity (made from base quantities)?

Mass

Time

Speed

Length

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