Physics Chapter 1 Quantities and Measurement Mcqs Test Online Punjab 9th Class

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Question 1 of 10

Physics

1. Which one of the following is the smallest quantity?

2 mg

5000ng

0.01 g

100μg

Question 1 of 10

Question 2 of 10

2. An interval of 200 μs is equivalent to:

2 x 10⁻⁶s

2 x 10⁻⁴s

0.2s

0.02s

Question 2 of 10

Question 3 of 10

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

3.8 cm

3.08 m

3.8 mm

3.08 mm

Question 3 of 10

Question 4 of 10

4. Significant figures in an expression are:

All the digits

All the accurately known digits and the first doubtful digit

All the accurately known and all the doubtful digits

All the accurately known digits

Question 4 of 10

Question 5 of 10

5. Which one of the following unit is not a derived unit?

Newton

Pascal

Kilogram

Watt

Question 5 of 10

Question 6 of 10

6. Amount of a substance in terms of numbers is measured in:

Gram

Mole

Newton

Kilogram

Question 6 of 10

Question 7 of 10

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

1.03 cm

1.0 cm

1 cm

1.032 cm

Question 7 of 10

Question 8 of 10

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

Measuring tap

Vernier calipers

Screw guage

Metre rule

Question 8 of 10

Question 9 of 10

9. The number of base units in SI are:

9

7

6

3

Question 9 of 10

Question 10 of 10

10. A measuring cylinder is used to measure:

Volume

Area

Level of a liquid

Mass

Question 10 of 10

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