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Physical Quantities and Measurement

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Class 09
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Physical Quantities and Measurements

MCQs

CE

Chief Editor

Oct 11, 2022

Table of Contents

Practice Quiz Mode

Take all 10 MCQs in interactive quiz mode with timer and progress tracking

The number of base units in are?

Difficulty: Easy

A:

3

B:

6

C:

7

D:

9

Which one of the following units is not a derived unit?

Difficulty: Easy

A:

Pascal

B:

Kilogram

C:

Newton

D:

Watt

Amount of a substance terms of numbers is measure in?

Difficulty: Easy

A:

Gram

B:

Kilogram

C:

Newton

D:

Mole

An interval of 200µs is equivalent to?

Difficulty: Easy

A:

0.2s

B:

0.02s

C:

2\times10^{-4}s

D:

2\times10^{-6}s

Which one of the following is the smallest quantity?

Difficulty: Easy

A:

0.01g

B:

2mg

C:

100\mu g

D:

5000 ng

Which instrument is the most suitable to measure the internal diameter of a test tube?

Difficulty: Easy

A:

Metre rule

B:

Vernier Callipers

C:

Measuring tap

D:

Screw guage

A student claimed the diameter of a wire as 1.032 cm using Vernier Callipers up to what extent do you agree with it?

Difficulty: Easy

A:

1 cm

B:

1.0 cm

C:

1.03 cm

D:

1.032 cm

A measuring cylinder is used to measure?

Difficulty: Easy

A:

Mass

B:

Area

C:

Volume

D:

Level of liquid

A student noted the thickness of glass sheet using screw guage. On the main scale, it reads 3 divisions while 8th division on the circular scale coincides with index line. Its thickness is?

Difficulty: Medium

A:

3.8 cm

B:

3.08 mm

C:

3.8 mm

D:

3.08m

Significant figures is an expression are?

Difficulty: Medium

A:

All the digits

B:

All the accurately known digits

C:

All the accurately known digits and the first doubtful digit

D:

All the accurately known and all the doubtful digits