Assertion (A): The angle of elevation of an object viewed is the angle formed by the line of sight with the horizontal when the object is above the horizontal level.

Reason (R): The angle of depression of an object viewed is the angle formed by the line of sight with the horizontal when the object is below the horizontal level.

Both assertion (A) and reason (R) are true, and reason (R) is the correct explanation of assertion (A).

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Both assertion (A) and reason (R) are true, and reason (R) is the correct explanation of assertion (A).

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Assertion (A) is false, but reason (R) is true.

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Assertion (A) is true, but reason (R) is false.

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Solution

The correct option is B Both assertion (A) and reason (R) are true, and reason (R) is the correct explanation of assertion (A).

Option (a) is the correct option.

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Similar questions

Q. 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

that is?

Q. STATEMENT -

1

: The angle of elevation of a point viewed is the angle formed by the line of sight with the horizontal when the point being view is above the horizontal level.
STATEMENT -

2

: Then the angle of depression of a point view is the angle formed by the line of sight with the horizontal when the point being viewed is below the horizontal level.

Q. Statement 1: Angle of depression is the angle between line of sight and the horizontal level when the object is above the horizontal line.
Statement 2: Angle of elevation is the angle between line of sight and the horizontal level when the object is below the horizontal line.

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.

Match the following.
$\begin{matrix} i) horizontal & a) is the angle between line of sight and the horizontal level & level when the object is above the horizontal line. ii)line of sight & b) is the line running parallel to the plane on which the object is kept. iii) angle of & c) is the line drawn from the eye of the observer to the elevation & point in the object viewed by the observer. iv) angle of & d) is the angle between line of sight and the horizontal depression & level when the object is below the horizontal line. \end{matrix}$

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The correct option is B Both assertion (A) and reason (R) are true, and reason (R) is the correct explanation of assertion (A). Option (a) is the correct option.

The correct option is B Both assertion (A) and reason (R) are true, and reason (R) is the correct explanation of assertion (A).

Option (a) is the correct option.