Question

condition for various nodal points​

Answer 1

Explanation:

Radius of a circle is 10 cm if its diameter is increased by 100% its area is increased by

a) 150%

b) 200%

c) 250%

d) 300%

Answer 2

Explanation:

Using a longer lens and taking vertical shots in a horizontal panorama can give the extra coverage you need so that the wider angle lens should not be necessary. The nodal point is a point within the lens where a light ray passing through the centre appears to have crossed the midline.