An object is situated at a distance of 60.0 cm from a screen. A convex lens is placed at two different places between...

An object is placed at a distance of 30 cm from a convex lens of focal length 20 cm.

An object is placed at a distance of f//2 from a convex lens. The image will be

An object is placed at a distance of 1.5 m from a screen and a convex lens is interposed between them. The magnification produced is 4 . What is the focal length of the lens ?

An object is placed at a distance of 1.5 m from a screen and a convex lens is interposed between them. The magnification produced is 4 . What is the focal length of the lens ?

An object is placed at a distant of 1.50 from a screen and a convex lens placed in between produces an image magnified 4 times on the screen .What is the focal length and the position of the lens.

An object is placed at a distance of 80 cm from a screen. Where should a convex lens of focal length 15 cm be placed from object such that a real image of object is formed?

An object is placed at a distance of 75 cm from a screen. Where should a convex lens of focal length 12 cm be placed so as to obtain a real image of the object?

An object is placed at a distance of 12 cm from a convex lens. A convex mirror of focal length 15 cm is placed on other side of lens at 8 cm as shown in the figure. Image of object coincides with the object. When the convex mirror is removed, a real and inverted image is formed at a position. The distance of the image from the object will be (cm) .