1.

Assertion (A): The masss of `150 m^(3)` of iron is greater than the mass of 150 m^(3) of wood. Reason (R): The densiy of iron is less than the density of wood.A. (a) Both A and R are true and R is the correct explanation of A.B. (b) Both A and R are true, but R is not the correct explanation of A.C. (c ) A is true but R is false.D. (d) Both A and R are false.

Answer» Correct Answer - C
The mass of 150 `m^(3)` of iron is greater than the mass of 150 `m^(3)` of wood because the density of iron is greater than the density of wood. But the reason given is density of iron is less than the density of wood.
So, A is correct and r is incorrect.


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