Define the following terms for a spherical
mirror :
(a) Pole
(b) Aperture
(c) Focal length
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Define the following terms for a spherical
mirror :
(a) Pole
(b) Aperture
(c) Focal length
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Answer:
1-pole is the centre of spherical mirror.
2-aperture is the diameter of mirror
3-focal length is the distance between the pole and focus of mirror
Answer:
(a)The pole in a spherical mirror is the mid point of the mirror
(b) aperture is the area of the sperical mirror or the size of mirror
(c) focal length is the distance between the pole and the focus