Answer the following questions :
At which position will you keep an object in front of a convex lens so as to get a real image of the same size as the object ? Draw a figure.

Draw well labelled diagram for the following: At which position will you keep an object in front of a convex lens so as to get a real image of the same size that of the object? Draw a figure .

Answer the following questions : At which position will you keep an object in front of a convex lens to get a real image smaller than the object ? Draw a figure.

Answer the following questions : An object is kept in front of a lens of focal length -20 cm . Describe the nature of the image when the object distance is 25 cm.

Answer the following questions: When an object is kept at 50 cm in front of a concave mirror, Its real image is obtained at the same distance from the mirror. What is the focal length of the mirror?

Answer the following questions : An object is placed in front of a convex lens of focal length 20 cm. If the object distance is changed from 60 cm to 40 cm , what can you say about the size of the image relative to that of the object?

Answer the following questions : When an object of height 2 cm is placed in front of a convex lens, the height of the image is found to be 3cm . State the nature and position of the image giving reason .

Answer the following questions : An object is kept in front of a lens of focal length +10 cm . Describe the nature of the image in the following casses : the object distance in 25 cm the object distance in 5 cm.

Answer the following questions : Draw a figure explaining various terms related to a lens.

Answer the following questions: An object is placed at 60 cm in front of a concave mirror of radius of curvature 60 cm. State the nature and size of the image relative to that of the object.

Graph of position of image vs position of point object from a convex lens is shown. Then, focal length of the lens is