Question

state the rules of sign convention​

Answer 1

Explanation:

Rules for sign convention : All distances should be measured from the pole. The distances measured in the direction of incident light, to be taken positive and measured in the opposite direction of incident light to be taken negative.

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Answer 2

σвjєcτ is αℓωαys ρℓαcє∂ τσ τнє ℓєƒτ σƒ мirrσr. αℓℓ ∂isταทcєs αrє мєαsυrє∂ ƒrσм τнє ρσℓє σƒ τнє мirrσr. ∂isταทcєs мєαsυrє∂ iท τнє ∂irєcτiσท σƒ τнє iทci∂єทτ rαy αrє ρσsiτivє αท∂ τнє ∂isταทcєs мєαsυrє∂ iท τнє ∂irєcτiσท σρρσsiτє τσ τнατ σƒ τнє iทci∂єทτ rαys αrє ทєgατivє.

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