Punjab 9th Physics Ch 1 Physical Quantities & Measurement Test Online Mcqs

Punjab Physics 9th Class: Chapter 1

Welcome to the complete Chapter 1: Physical Quantities & Measurement practice section for Punjab Board 9th Class Physics (New Syllabus 2025-26). This foundational chapter introduces students to the essential concepts of physics, including base and derived quantities, SI units, prefixes, scientific notation, and measuring instruments like Vernier Calipers and Screw Gauge. Our New Pattern MCQs Online Test and Short Questions with Answers are meticulously designed according to the latest Punjab Board examination pattern. Practice chapter-wise to master concepts like significant figures, least count, zero error, and measurement techniques. Whether you’re preparing for unit tests or annual exams, our comprehensive resources with instant feedback will help you build strong conceptual clarity and score excellent marks in Physics.

Punjab 9th Physics Ch 1 Physical Quantities & Measurement Mcqs Online Test (New Syllabus)

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1. Least count of screw gauge is 0.01mm. If main scale reading of screw gauge is zero and third line of its circular scale coincides with datum line then the measurement on the screw gauge is:

0.03mm

3mm

0mm

0.3mm

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2. The instrument best measures the internal diameter of a pipe is:

vernier caliper

measuring tape

screw gauge

metre rule

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

mole

gram

newton

kilogram

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4. A light year is a unit of:

time

light

distance

speed

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5. One femtometre is equal to:

10⁻¹⁵m

10⁻⁹m

10⁹m

10¹⁵m

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6. Ratio of millimeter to micrometer is:

1000m

1000

0.001

0.001 meter

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7. 9.483×10³m is the standard form of:

948.3m

9.483m

94.83m

9483m

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8. The instrument that is most suitable for measuring the thickness of a few sheets of cardboard is a:

vernier calipers

micrometer screw gauge

measuring tape

metre rule

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9. The number of significant figures in 0.00650s are:

2

5

6

3

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10. Which one is a non-physical quantity?

colour

temperature

distance

density

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11. Volume of water consumed by you per day is estimated in:

litre

cubic metre

millilitre

kilogram

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12. A displacement can is used to measure:

volume of a solid

mass of solid

mass of liquid

volume of a liquid

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13. Which of the following measures are likely to represent the thickness of a sheet of this book?

1.2×10⁻¹⁵m

6×10⁻²⁵m

1×10⁻⁴m

4×10⁻²m

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14. Which of the following is a base unit?

Pascal

mole

meter per second

coulomb

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

newton

watt

Pascal

kilogram

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16. Which of following prefix represents largest value?

mega

pico

peta

kilo

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17. Which of the following numbers show 4 significant digits?

4

9000.8

0.001248

5174.00

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18. Micrometer can be used to measure:

mass

length

current

force

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19. In a Vernier Calipers ten smallest divisions of the Vernier scale are equal to nine smallest divisions of the main scale. If the smallest division of the main scale is half millimeter, the Vernier constant is equal to:

0.5mm

0.1 mm

0.001mm

0.05mm

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20. The numbers having one significant digit is:

6.0

6×10²

1.1

7.1

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21. Two rods with lengths 12.321cm and 10.3 cm are placed side by side, the difference in their lengths is:

2.021cm

2cm

2.02cm

2.0 cm

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22. Four students measure the diameter of a cylinder with Vernier Calipers. Which of the following readings is correct?

3.475cm

3.4cm

3.47cm

3.5cm

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23. When using a measuring cylinder, one precaution to take is to:

position the eye in line with the bottom of the meniscus

take several readings by looking from more than one direction

look at the meniscus from below the level of the water surface

check for the zero error

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24. 0.2 mm in units of meters is:

none

2×10⁴m

0.0002m

both (a) and (b)

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Ch1 Physical Quantities & Measurement Short Questions ( New)