28. A piece of iron weighs 48 g in air and 40 g in water.
What is relative density of iron? Find relative density
of that liquid in which this piece weighs 42 g.
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Answer:
R. D. of Iron = 6
R. D. of liquid = 0.75
Explanation:
See the attachment for explanation. I suppose the 'g' in your question was meant to be 'gf' or gram force as weight cannot be in grams but for your convenience and understanding I have written weight in 'g' in my explanation.
Attachments:
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