Assertion(A): Electric current and velocity of light both have direction as well as the magnitude but still they are not considered as vectors.
Reason(R): Electric current and velocity of light do not follow laws of vector addition.

Both A and R are true and the R is correct explanation of the A

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Both A and R are true, but R is not correct explanation of the A

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A is true, but the R is false

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A is false, but the R is true

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Solution

The correct option is A Both A and R are true and the R is correct explanation of the A
Electric current though has direction as well as magnitude does not follow laws of vector addition so it is not a vector.
However, velocity is a vector quantity. But, velocity of light is not a vector quantity as it does not follow laws of vector addition.

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Codes

DIRECTIONS (Qs. 52 AND 53): The following item consist of two statements: one labelled as the Assertion a) and the other as Reason (R). You are to examine these two statements carefully and select the answers to these items using the codes given below:

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

b) Both A and R are individually true but R is not the correct explanation of A

c) A is true but R is false

d) Both A and R are false

53. Assertion a): Saluva Narasimha put an end to the old dynasty and assumed the royal title.

Reason

(R): He wanted to save the kingdom from further degeneration and disintegration. [2003]

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

b) Both A and R are individually true but R is not the correct explanation of A

c) A is true but R is false

d) Both A and R are false

52. Assertion a): Shah Alam II spent the initial years as an emperor far away from his capital.