Two mirrors at an angle `theta^(@)` produce 5 images of a point. The number of images produced when `theta` is decreased to `theta^(@) - 30^(@)` is

Find the number of images if theta = 100^@ .

Two plane mirrors are inclined at an angle of theta^(@) What will be the number of images of an object held between these two mirrors ?

Two plane mirrors are inclined at an angle of 30^@ symmetrically , the number of images formed are ____

If the angle theta=-30^(@) , find the value of cos theta .

Two plane mirros are inclined to each other at an angle of 60^(@) . A point object is placed in between them. The total number of images produced by both the mirror is

Consider two plane mirrors inclined at an angle theta as shown in figure. Find the number of object O formed these mirror when (i) theta=60^(@) (ii) theta=72^(@) and the object at 40^(@) from M_(1) (iii) theta=72^(@) and the object is at 36^(@) from M_(1) (iv) theta=80^(@)