Question

According to Cartesian sign convention the heights measured

a. leftwards with respect to x-axis and normal to the principal axis (x-axis) of the

mirror/lens are taken as positive

b. downwards with respect to x-axis and normal to the principal axis (x-axis) of the

mirror/lens are taken as positive

c. rightwards with respect to x-axis and normal to the principal axis (x-axis) of the

mirror/lens are taken as positive

d. upwards with respect to principal axis (x-axis) and normal to the principal axis (x-

axis) of the mirror/lens are taken as positive​

Answer 1

Answer:

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Explanation:

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