A needle placed 45 cm from lens forms an image on a screen placed 90 cm on the other side of lens, focal length and type of lens is
(a)
10 cm, convex lens
(b)
30 cm, convert lens
(c)
30 cm, concave lens
(d)
10 cm, concave lens
A needle placed 45 cm from lens forms an image on a screen placed 90 cm on the other side of lens, focal length and type of lens is
(a)
10 cm, convex lens
(b)
30 cm, convert lens
(c)
30 cm, concave lens
(d)
10 cm, concave lens
Question ID - 100172 | SaraNextGen Answer
A needle placed 45 cm from lens forms an image on a screen placed 90 cm on the other side of lens, focal length and type of lens is
(a)
10 cm, convex lens
(b)
30 cm, convert lens
(c)
30 cm, concave lens
(d)
10 cm, concave lens
|
A needle placed 45 cm from lens forms an image on a screen placed 90 cm on the other side of lens, focal length and type of lens is |
|||
|
(a) |
10 cm, convex lens |
(b) |
30 cm, convert lens |
|
(c) |
30 cm, concave lens |
(d) |
10 cm, concave lens |
1 Answer - 5876 Votes
