Question # 1

The number of base units in SI are.

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3

6

7

9

Standards, of physical quantities were established in .

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1910

1020

1950

1960

Prefix naming as Giga has a symbol.

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M

G

m

g

Significant figures in 0.0010 are.

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One

Two

Three

Four

A measuring cylinder is used to measure.

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Mass

Area

Volume

Level of liquid

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

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Metre rule

Vernier Callipers

Measuring tape

Screw gauge

The numebr .00580 is scientific notation is.

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5 .80 x 10⁵

5 .80 x 10^-4

5 .80 x 10^-3

5 .80 x 10^-2

Least count of digital vernier callipers is.

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0.01 cm

0.01 mm

0.1 mm

0.1 cm

1 nm have meters.

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10^-3 m

10^-6 m

10^-9 m

10^-10m

A car is made on the principles of

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Electronics

Thermodynamics

Electricity

Mechanics

The value we get after rounding 1.47 is

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1.4

1.5

1.47

1.46

The unit of electric charge is

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Ampare

Joule

Coulomb

Volt

A Student claimed the diameter of a wire as 1.032 cm using vernier callipers. Upto what extent do your agree with it

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1 cm

1.0 cm

1.03 cm

1.032 cm

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Physics 9th Class English Medium Unit 1 Online Test MCQs With Answers

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