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

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

take several readings by looking from more than one direction

position the eye in line with the bottom of the meniscus

check for the zero error

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2. A displacement can is used to measure:

mass of liquid

volume of a liquid

volume of a solid

mass of solid

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

3.475cm

3.4cm

3.5cm

3.47cm

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

screw gauge

metre rule

measuring tape

vernier caliper

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

cubic metre

millilitre

litre

kilogram

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6. Which of following prefix represents largest value?

pico

kilo

mega

peta

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

watt

Pascal

kilogram

newton

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

6×10⁻²⁵m

4×10⁻²m

1×10⁻⁴m

1.2×10⁻¹⁵m

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9. A light year is a unit of:

light

distance

speed

time

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10. One femtometre is equal to:

10⁹m

10⁻¹⁵m

10⁻⁹m

10¹⁵m

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11. 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

0.3mm

0mm

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12. Which of the following is a base unit?

meter per second

mole

Pascal

coulomb

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

6

5

3

2

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14. Ratio of millimeter to micrometer is:

0.001 meter

1000

0.001

1000m

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15. 0.2 mm in units of meters is:

none

0.0002m

2×10⁴m

both (a) and (b)

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16. Micrometer can be used to measure:

current

length

force

mass

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

0.001248

9000.8

5174.00

4

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18. Which one is a non-physical quantity?

temperature

colour

distance

density

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19. The numbers having one significant digit is:

6×10²

1.1

6.0

7.1

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

measuring tape

vernier calipers

micrometer screw gauge

metre rule

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21. 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

0.05mm

0.001mm

0.1 mm

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

kilogram

gram

newton

mole

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

2cm

2.021cm

2.0 cm

2.02cm

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24. 9.483×10³m is the standard form of:

948.3m

9483m

94.83m

9.483m

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Ch1 Physical Quantities & Measurement Short Questions ( New)