1.

the focal length of a concave mirror, a student focusses a classroomQt27. To determinewindow, a distant tree and the sun on the screen with the help of a concavecasĂŠ will the student get more accurate value of focal length ? Give reason for your cmirror. In which

Answer»

D ) all these ok. The distance of the window should be considerably large compared to the focal length of the mirror. Other wise: a distant tree and sun should be used



Discussion

No Comment Found

Related InterviewSolutions