The density of iron is $7900 \frac{k g}{m^{3}}$ . Calculate its relative density. Will, it floats or sink in water? Give a reason for your answer.

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Solution

$S t e p 1 : - G i v e n d a t a : - D e n s i t y o f i r o n = 7900 \frac{k g}{m^{3}} S t e p 2 : - T o f i n d : - R e l a t i v e d e n s i t y o f i r o n S t e p 3 : - F o r m u l a : - R e l a t i v e d e n s i t y o f i r o n = \frac{D e n s i t y o f i r o n}{D e n s i t y o f w a t e r} \Rightarrow R e l a t i v e d e n s i t y o f i r o n = \frac{7900}{1000} \Rightarrow R e l a t i v e d e n s i t y o f i r o n = 7.9 S t e p 4 : - 1 . R e l a t i v e d e n s i t y o f t h e i r o n i s 7.9 . 2 . A s, t h e r e l a t i v e d e n s i t y o f t h e o b j e c t i s g r e a t e r t h a n 1 t h e r e f o r e t h e o b j e c t w i l l \sin k i n t h e w a t e r .$

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The density of iron is 7900kgm3. Calculate its relative density. Will, it floats or sink in water? Give a reason for your answer.

The density of iron is $7900 \frac{k g}{m^{3}}$ . Calculate its relative density. Will, it floats or sink in water? Give a reason for your answer.