Question Type Fill in the blanks A A Question No 4 Negative

Last updated: 6/12/2023

Question Type Fill in the blanks A A Question No 4 Negative Marks in all other cases A parallel light beam falls on a lens which is silvered from back side as shown and both surfaces have radius 25 cm then distance in cm from lens where the beam converges 16x on principle axis is x so fill value of 25