Q45 of 62 Page 106

Explain with the help of ray diagram of convex lens to show the position of image and nature when object is placed :

between 2F1 & infinity.

between 2F1 & infinity



a) Image is formed between F2 and 2F2.


b) It is diminished, real and inverted.


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45

Explain with the help of ray diagram of convex lens to show the position of image and nature when object is placed :

between focus F1 and 2F1

 45

Explain with the help of ray diagram of convex lens to show the position of image and nature when object is placed :

at 2F1

 45

Explain with the help of ray diagram of convex lens to show the position of image and nature when object is placed :

Explain the eye defects in detail along with the method to correct them.

 46

The focal length of a concave mirror is 30 cm. If an object is placed 40 cm away from the mirror. Calculate the position and magnification of the image.