Question

5. In a concave mirror, no image formed if the object is
a at C
c. between C and F
b at F
d. behind the C
6. What type of mirror produced an image that is upright reduced and virtual anywhere in front of the mirror?
a concave
c. plane
b. convex
d none of the above
7._____is thinner at the center as compared to its edges
a convex lens
c. both a and be
b. convcave
d. neither a norb
​

Answer 1

behind C

none of above

bothva and be

Answer 2

Answer:

5) correct option is b) at F

when an object is at infinity, then there are rays coming from it is most parallel to principal axis so the image fromed at focus