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Standard IX

Physics

Density

The density o...

Question

The density of brass on CGS system is 8.4 $g / c m^{3}$ . Its density in SI system is:

8.4

k g / m^{3}

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k g / m^{3}

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840

k g / m^{3}

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8400

k g / m^{3}

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Solution

The correct option is C 8400 $k g / m^{3}$
SI Unit of density is $K g / m^{3}$ .
So, $8.4 g / c m^{3}$ = $8.4 \times 1000 = 8400 k g / m^{3}$ .
Option D.

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Similar questions

Q. The density of aluminium is 2.7

g / c m^{3}

. Its density in

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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 brass on CGS system is 8.4 g/cm3. Its density in SI system is:

The correct option is C 8400 kg/m3SI Unit of density is Kg/m3.So, 8.4g/cm3 = 8.4×1000=8400kg/m3.Option D.

The density of brass on CGS system is 8.4 $g / c m^{3}$ . Its density in SI system is:

The correct option is C 8400 $k g / m^{3}$
SI Unit of density is $K g / m^{3}$ .
So, $8.4 g / c m^{3}$ = $8.4 \times 1000 = 8400 k g / m^{3}$ .
Option D.