The focal length of a concave lens is 20 cm, if an object is placed at a distance of 50 cm in front of this concave lens, where is the image formed ? What is the nature of the image ?
An object is placed at a distance f in front of a concave lens of focal length f. Locate its image.
An object is placed at a distance of 40 cm in front of a concave mirror of focal length 20 cm. The image produced is
An object is placed at a distance of 30 cm from a concave lens of focal length 15 cm . Find the nature and position of the image.
An object is placed at 15 cm in front of a concave mirror whose focal length is 10 cm. The image formed will be
An object is placed at a distance of 50cm from a concave lens of focal length 20cm. Find the nature and position of the image.
An object is placed at a distance of 4 cm from a concave lens of focal length 12 cm. Find the position and nature of the image.
Focal length of the concave lens is 40 cm. An object is kept at a distance 40 cm from the lens. What will be the location and magnification of image formed?
LAKHMIR SINGH & MANJIT KAUR-TEST PAPER 3-Section B
