the image of an object is placed at 30 cm in front of the lens is obtained on a screen at a distance of 60 cm from it find the focal length of the lens what would be the height of the image of the object is 2 centimetre hai
Answers
Answered by
0
Use the formula:
1/v-1/u=1/f and then m=-v/u=image height/object height
Similar questions