An object 2.5 cm high is placed in front of a convex lens of focal length 30 cm. If the height of image formed is 5 cm, find the distance between the object and the image?

An object 25 cm high is placed in front of a convex lens of focal length 30 cm . If the height of image formed is 50 cm , find the distance between the object and the image (real and virtual)?

An object 25 cm high is placed in front of a convex lens of focal length 30 cm . If the height of image formed is 50 cm , find the distance between the object and the image (real and virtual)?

An object 25 cm high is placed in front of a convex lens of focal length 30 cm . If the height of image formed is 50 cm , find the distance between the object and the image (real and virtual)?

An object 25cm high is placed in front of a concave lens of focal length 30cm .If the height of image fromed is 50cm if the image is erect and virtual then the image distance is

An object 25cm high is placed in front of a concave lens of focal length 30cm .If the height of image fromed is 50cm if the image is erect and virtual then distance between object and image is

An object 25cm high is placed in front of a concave lens of focal length 30cm .If the height of image fromed is 50cm The image distance is ,if the image is real and inverted:

An object of height 4 cm is placed in front of a concave lens of focal length 40 cm. If the object distance is 60 cm, find the position and height of the image.

An object of height 4 cm in front of a concave lens of focal length 20 cm . If the object distance is 30 cm, find the position and the height of the image.

An object of height 1 cm is placed in front of a concave lens of focal length 40cm . If the object distance is 60 cm , find the position and height of the image .

An object is placed in front of a convex mirror of focal length 30 cm.If the image formed is a quarter of the size of the object,find the position of the image.