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Question

In an experiment to determine the focal length f of a concave mirror by the uv method, a student places the object pin A on the principal axis at a distance x from the pole P. The student looks at the pin and its inverted image from a distance keeping his/her eye in line with PA. When the student shifts his/her eye towards left the image appears to the right of the object pin. Then.
1380729_1b2a4e3d50534a38a0562e2758cd8f19.png
  1. x<f
  2. f<x<2f
  3. x=2f
  4. x>2f

A
x<f
B
x>2f
C
f<x<2f
D
x=2f
Solution
Verified by Toppr

Option A is correct
2009477_1380729_ans_04f7094ed4ca4d0e82041c7f41778704.PNG

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