1.1. Physical Quantities Flashcards by Dorky_Squad 13

Q

All physical quantities consist of

A

A numerical magnitude
and a unit

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Q

Height of an adult human

A

2 m

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Q

Mass of an adult human

A

70 kg

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Q

Mass of a car

A

1000 kg

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Q

Power of a lightbulb

A

60 W

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Q

Speed of sound in air

A

330 ms−1

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Q

Speed of a car on the motorway

A

30 ms−1

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Q

Weight of an apple

A

1 N

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Q

Density of water

A

1000 kgm−3

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Q

Time taken for a sprinter to run
100m

A

10 s

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Q

Current in a domestic appliance

A

13 A

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Q

E.M.F of a car battery

A

12 V

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Q

Atmospheric pressure

A

1.0 × 10^5 P a

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Q

Young’s modulus of a given materia

A

Something x 10^11

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