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

3.47cm

3.475cm

3.5cm

3.4cm

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2. Which of following prefix represents largest value?

pico

kilo

peta

mega

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

Pascal

kilogram

newton

watt

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

metre rule

micrometer screw gauge

measuring tape

vernier calipers

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

2

3

6

5

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6. Which one is a non-physical quantity?

temperature

density

colour

distance

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7. Which of the following is a base unit?

Pascal

coulomb

meter per second

mole

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

metre rule

vernier caliper

screw gauge

measuring tape

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

2.0 cm

2cm

2.02cm

2.021cm

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10. The numbers having one significant digit is:

6.0

1.1

7.1

6×10²

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11. A light year is a unit of:

light

speed

distance

time

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

litre

cubic metre

millilitre

kilogram

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13. Micrometer can be used to measure:

current

force

mass

length

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14. 9.483×10³m is the standard form of:

94.83m

948.3m

9.483m

9483m

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15. 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:

0.001mm

0.05mm

0.1 mm

0.5mm

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16. 0.2 mm in units of meters is:

both (a) and (b)

2×10⁴m

none

0.0002m

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

gram

mole

kilogram

newton

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18. 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:

0.3mm

0mm

3mm

0.03mm

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

check for the zero error

take several readings by looking from more than one direction

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

position the eye in line with the bottom of the meniscus

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20. Ratio of millimeter to micrometer is:

1000

1000m

0.001

0.001 meter

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

4×10⁻²m

6×10⁻²⁵m

1.2×10⁻¹⁵m

1×10⁻⁴m

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22. A displacement can is used to measure:

volume of a solid

volume of a liquid

mass of solid

mass of liquid

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23. One femtometre is equal to:

10⁹m

10¹⁵m

10⁻¹⁵m

10⁻⁹m

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

5174.00

9000.8

0.001248

4

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Ch1 Physical Quantities & Measurement Short Questions ( New)