Physics, asked by riyadel, 1 year ago

A convex lens is placed in contact with a plane mirror. A point object at a distance of 20 cm on the axis of this combination has its image coinciding with itself. What is the focal length of the lens ?

Answers

Answered by sabivox14

Answer is the answer

riyadel: 20 cm

Answered by party5

formula 1/f=1/v+1/u laga do ans ajaega

riyadel: 20cm nahi aa raha

party5: ohhhh

party5: koi nai ajaega

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riyadel: kya hoga sign convention

riyadel: dono -ve hi honge

party5: S chand ki book uthao aUr dekho

party5: kyoun u always _

party5: dekho to sahi galat laga ya hoga

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