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A concave lens produces an image 20 cm from the lens of an object placed 30 cm from the lens. The focal length of the lens is:
(a) 50 cm
(b) 40 cm
(c) 60 cm
(d) 30 cm
Name the kind of mirror used to obtain
(a) a real and enlarged image
(b) a virtual and enlarged image
(c) a real and diminished image, and
(d) a virtual and diminished image.
What type of mirror can be used to obtain a real image of an object?
Does the mirror mentioned in part (b) form real image for all locations of the object?
Name the kind of mirror used to obtain:
A virtual and diminished image
Upto what maximum distance from a concave mirror, the image can be obtained? What will be the location of object for it?
A real and enlarged image can be obtained by using a
The magnification for a mirror is -3. How are u and v related?
