Question:
length 15 cm is cut into two equal halves as shown in Fig 9
Last updated: 6/7/2023
length 15 cm is cut into two equal halves as shown in Fig 9 72 What is the focal length of each half CBSE Sample Paper 98 Solution For the equiconvex lens let R R R R Then from lens maker s formula 1 7 1 1 2 R R 1 R For each half lens R R R 00 1 1 1 7 7 1 Dividing i by ii we get f 2 1 R spol Fig 9 72 1 R 2 leapt 1 ii