Questions
Assertion (A) : Speed is a scalar physical quantity
Reason (R) : Speed does not follow vector law of addition
a
Both A and R are correct and R is the correct explanation of A
b
Both A and R are correct , but R is not the correct explanation of A
c
A is correct and R is incorrect
d
A is incorrect and R is correct
detailed solution
Correct option is B
A,C,D are not correct, because we cannot say that the physical quantities which
does not follows vector law of addition are scalars, speed is a scalar, it has only magnitude.
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