Question # 1

In screw gauge if zero of circular scale is behind the index line is called error.

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Positive

Zero

Negative

None of these

Standards, of physical quantities were established in .

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1910

1020

1950

1960

An interval of 200 micro second equivalent to.

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0.2 s

0.02 s

2 x 10^-4 s

2 x 10^-6 s

The eleventh general conference was held in Paris in.

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1959

1961

1660

1960

The smallest division taht can be taken by a meter rule is.

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1 cm

1 mm

1 dm

1 km

Significant figures in 0.0010 are.

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One

Two

Three

Four

Meniscus of which liquid curves upward.

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Water

Honey

Mercury

Milk

The number of base units in SI are.

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3

6

7

9

A thimble of circular scale consists of equal division.

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100

10

1000

None of these

1 nm have meters.

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10^-3 m

10^-6 m

10^-9 m

10^-10m

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

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