Pick the correct answer from the following two statements. a) Focal l – InterviewSolution

1.	Pick the correct answer from the following two statements. a) Focal length of a lens depends on the surrounding mediumb) Focal length of a lens changes with the object distance A) both, (a) and (b) are true B) both (a) and (b) are false C) only (a) is true D) only (b) is true
Answer» C) only (a) is true

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