Wave Optics
a convex lens has a focal lenghthof 20 cm in air calculate the change if it immeresed in refractive index 4/3
a convex lens has a focal lenghthof 20 cm in air calculate the change if it immeresed in refractive index 4/3
1 Answer
Arun
1/20=(1.5-1)(1/R1+1/R2)
according to second condition
1/f=(1.5/1.3/-1)(1/R1+1/R2)
after dividing both equations u will get answer
according to second condition
1/f=(1.5/1.3/-1)(1/R1+1/R2)
after dividing both equations u will get answer
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