Assertion : The height of an object is always considered positive.
Reason : An object is always placed above the principal axis in this upward direction.
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yes Assertion : The height of an object is always considered positive
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Both Assertion and the Reason are correct and Reason is the correct explanation of the assertion.
- According to the mirror/lens sign convention, the height of an object is always taken as positive.
- Because the object is always placed above the principal axis in the upright position.
- And, as per the sign convention, if an object or image is above the principal axis then the height of that object and image is taken as positive.
- If the image is formed below the principal axis, its height is considered negative.
- Usually, the object is always placed above the principal axis therefore its height is always taken as positive.
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