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a). Consider a symmetrical cavity comprising two concave mirrors, each with radius R
-25 cm. The mirrors are separated by d = 60 cm. Show that the cavity is unstable.
=
b). Consider a ray that begins at one of the mirrors on the optical axis (i.e. yo = 0) at an angle
00: = 0.1°. Find the position of the ray after one round trip.
Transcribed Image Text:a). Consider a symmetrical cavity comprising two concave mirrors, each with radius R -25 cm. The mirrors are separated by d = 60 cm. Show that the cavity is unstable. = b). Consider a ray that begins at one of the mirrors on the optical axis (i.e. yo = 0) at an angle 00: = 0.1°. Find the position of the ray after one round trip.
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