Assertion (A) : Speed is a scalar physical quantity Reason (R) : Speed does not follow vector law of addition

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

Solution:

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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