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Standard IX

Physics

Density

The density o...

Question

The density of aluminium is 2.7 $g / c m^{3}$ . Its density in $k g / m^{3}$ will be :

k g / m^{3}

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2700

k g / m^{3}

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270

k g / m^{3}

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27000

k g / m^{3}

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Solution

The correct option is B 2700 $k g / m^{3}$
density of aluminium = $2.7 g / {c m}^{3}$
= $\frac{2.7 \times 10^{- 3} k g}{10^{- 6} m^{3}}$
density of aluminium = $2700 k g / m^{3}$

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Similar questions

Q. The density of iron is 7800

k g / m^{3}

. Its relative density will be :

A solid of density $900 k g / m^{3}$ floats in oil as shown in the given diagram. The oil floats on water of density $1000 k g / m^{3}$ as shown. The density of oil in $k g / m^{3}$ could be :

Density of metal $(k g / m^{3})$	Density of water $(k g / m^{3})$	Relative density
..............	$10^{3}$	5
$8.5 \times 10^{3}$	$10^{3}$	..............

Complete the following.

Q. Ratio of the weights of a

1 kg

block of iron and

1 kg

block of wood as measured by a spring balance is:
Given: Density of iron

= 7800 {kg/m}^{3}

, density of wood

= 800 {kg/m}^{3}

and density of air

= 1.293 {kg/m}^{3}

Mass(kg)	Volume $(m^{3})$	Density $(k g / m^{3})$
350	175	x
y	190	4

Choose the correct option :

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The density of aluminium is 2.7 g/cm3. Its density in kg/m3 will be :

The correct option is B 2700 kg/m3density of aluminium = 2.7g/cm3 = 2.7×10−3kg10−6m3density of aluminium = 2700kg/m3

The density of aluminium is 2.7 $g / c m^{3}$ . Its density in $k g / m^{3}$ will be :

The correct option is B 2700 $k g / m^{3}$
density of aluminium = $2.7 g / {c m}^{3}$
= $\frac{2.7 \times 10^{- 3} k g}{10^{- 6} m^{3}}$
density of aluminium = $2700 k g / m^{3}$