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

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Question 1 of 10

Physics

1. An interval of 200 μs is equivalent to:

0.2s

0.02s

2 x 10⁻⁶s

2 x 10⁻⁴s

Question 1 of 10

Question 2 of 10

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

Watt

Pascal

Newton

Kilogram

Question 2 of 10

Question 3 of 10

3. 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 cm

1.0 cm

1.03 cm

1.032 cm

Question 3 of 10

Question 4 of 10

4. A measuring cylinder is used to measure:

Mass

Volume

Area

Level of a liquid

Question 4 of 10

Question 5 of 10

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

Newton

Kilogram

Gram

Mole

Question 5 of 10

Question 6 of 10

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

2 mg

5000ng

100μg

0.01 g

Question 6 of 10

Question 7 of 10

7. Significant figures in an expression are:

All the accurately known and all the doubtful digits

All the accurately known digits and the first doubtful digit

All the digits

All the accurately known digits

Question 7 of 10

Question 8 of 10

8. The number of base units in SI are:

6

3

9

7

Question 8 of 10

Question 9 of 10

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

Measuring tap

Screw guage

Vernier calipers

Metre rule

Question 9 of 10

Question 10 of 10

10. 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:

3.08 mm

3.8 cm

3.8 mm

3.08 m

Question 10 of 10

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