Question

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 Ris not the correct explanation of A
c) A is correct, R is incorrect
d) A is incorrect, R is correct​

Answer 1

HERE IS YOUR ANSWER REFERS TO THE ATTACHMENT:

Answer 2

a) Both A and R are correct and R is the correct explanation of A

Explanation

• Scalar Quantity are the type of physical quantities which can be added by simple algebraic method and have magnitude only.
• some Example of Scalar Quality is Mass , Speed ,Distance, and Time.