Choose the correct one

(a)

mm < cm < m < km

(b)

mm > cm > m > km

(c)

km < m < cm < mm

(d)

mm > m > cm > km

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

___________is the derived quantity.

(a)

Length

(b)

Volume

(c)

Mass

(d)

Time

_________is not the unit of length.

(a)

Muzham

(b)

Furlong

(c)

Mile

(d)

Hour

Unit of acceleration is________.

(a)

ms^-2

(b)

ms^-1

(c)

\(\frac{m}{s}\)

(d)

\(\frac{s}{m}\)

The diameters of spherical objects are measured with a_________scale.

(a)

pitch

(b)

meter

(c)

head

(d)

vernier

_________is the unit of distance used to measure astronomical objects outside the solar system.

(a)

Parsec

(b)

km

(c)

cm

(d)

litre

Metre is the unit of ________

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length

1 kg of rice is weighed by ______

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common (beam) 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

The SI unit of volume is________.

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Cubic metre

Least count of screw gauge__________.

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0.01 mm

Least count of Vernier caliper is___________.

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0.01 cm

Length, mass and time are called__________.

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Fundamental units

1 Angstrom (A⁰)=__________m.

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10^-10

Two pan balance is commonly used in provisions and grocery shops.

(a) True

(b) False

Weight is the fundamental quantity.

(a) True

(b) False

In screw gauge the plane surface of the screw and opposite plane are brought into contact. If the zero of the head scale lies above the pitch scale axis the zero error is positive.

(a) True

(b) False

Temperature

(1)

Hooke's law

Mass

(2)

Thermometer

Least count of screw gauge

(3)

Beam balance

Spring balance

(4)

Matter

Mass

(5)

0.01 mm