A) If both assertion and reason are true and the reason is the correct explanation of the assertion.
B) If both assertion and reason are true but reason is not the correct explanation of the assertion.
C) If assertion is true but reason is false.
D) If the assertion and reason both are false.
E) If assertion is false but reason is true.
Correct Answer: C
Solution :
Needle floats due to surface tension there is no role of buoyant force in its floating Buoyant force = \[V\sigma g\] Where V = volume of body submerged in liquid s = density of liquid. i.e. the buoyancy of an object depends on the shape of the object.You need to login to perform this action.
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