Rulers, measuring tapes and metre scales are used to measure

(a)

Mass

(b)

Weight

(c)

Time

(d)

Length

1 metric ton is equal to

(a)

100 quintals

(b)

10 quintals

(c)

1/10 quintals

(d)

1/100 quintals

Distance between Chennai and Kanyakumari can be found in

(a)

Kilometres

(b)

Metres

(c)

Centimetres

(d)

Millimetres

Which among the following is not a device to measure mass?

(a)

Spring balance

(b)

Beam balance

(c)

Physical balance

(d)

Digital balance

Thickness of a cricket ball is measured by _______

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Vernier Caliper

Radius of a thin wire is measured by ________

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Screw gauge

A physical balance measures small differences in mass up to ______.

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milligram

Digital balance

(1)

Digital Clock

Temperature

(2)

Ruler

Mass

(3)

Beam balance

Length

(4)

Thermometer

Time

(5)

Gold ornaments

What is the full form of SI system?

What do you know about pitch of screw gauge?

Convert: 104°F into Celsius scale.

Write the need of a standard unit.

What is the measuring unit of the thickness of a plastic carry bag?

How will you measure the least count of vernier caliper?

Inian and Ezhilan argue about the light year. Inian tells that it is 9.46 × 10¹⁵ m and Ezhilan argues that it is 9.46 × 10¹² km. Who is right? Justify your answer.