Assertion: The angle of elevation of an object viewed, is the angle formed by the line of sight with the horizontal when it is above the horizontal level.
reason: The angle of depression. of an object viewed, is the angle formed by the line of sight with the horizontal when it is below the horizontal level.
a) Both assertion and reason are correct and reason is correct explanation for assertion.
b) Both Assertion and Reason are correct but reason is not correct explanation for assertion.
c) Assertion is correct but reason is false.
d) Both Assertion and Reason are false.
Ans: b) both assertion and reason are correct and reason is correct explanation for assertion.