100 kg of both iron and cotton are weighed by using a spring balance on the surface of the earth. If R1andR2 are the readings shown by the balance,then:
A
R1<R2
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B
R1=R2
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C
R1>R2
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D
R1=R2=0
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Solution
The correct option is CR1>R2 Density of cotton is much less than that of iron. Therefore, volume of cotton will be much larger. It will experience a upward fluency force by the acr in atmosphere thus, reading of spring balance is reduced.