The focal length of a convex lens is 50 cm.
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The focal length of a convex lens is 50 cm.
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Answer:
GIVEN
Focal length of concave lens = 50cm
Distance of object=-75cm
TO FIND :
A. The distance of image
B. Magnification
SOLUTION :
For a concave mirror
• 1/f=(1/v)-(1/u)
• (1/v)=1/f+(1/u)
• (1/v)= (1/50)-(1/75)
•v= 150 cm
The distance of image is 150 cm