Which of the following is a derived quantity?

(a)

mass

(b)

time

(c)

area

(d)

length

Which of the following is correct?

(a)

1L = 1cc

(b)

1L = 10 cc

(c)

1L = 100 cc

(d)

1L = 1000 cc

Two spheres have equal mass and volume in the ratio 2:1. The ratio of their density is ________.

(a)

1:2

(b)

2:1

(c)

4:1

(d)

1:4

The unit of volume is ____________

(a)

m³

(b)

m²

(c)

cm³

(d)

km

Physical quantities are classified into __________ types

(a)

three

(b)

two

(c)

four

(d)

none of the above

One astronomical unit is equal to________.

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1.496 x 10¹¹ m

The area of a leaf can be measured using a ________.

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graph sheet

The materials with higher density are called __________

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denser

The materials with lower density are called _________

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rarer

The area of irregularly shaped figures can be calculated with the help of a _________

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graph sheet

The region covered by the boundary of the plane figure is called its volume

(a) True

(b) False

Volume of liquids can be found using measuring containers.

(a) True

(b) False

Water is denser than kerosene.

(a) True

(b) False

A ball of iron floats in mercury.

(a) True

(b) False

A substance which contains less number of molecules per unit volume is said to be denser.

(a) True

(b) False

Area

(1)

light year

Distance

(2)

metre (M)

Length

(3)

second (S)

time

(4)

m²

Mass

(5)

kilogram (K)