A. at the focus
B. at the centre of curvature
C. beyond the centre of curvature
D. between the centre of curvature and the focus

Correct Answer: Option D

D. between the centre of curvature and the focus

SEE ALSO  A wheel and axle is used to raise a load of 500N by the application of an effort of 250N. If the radii of the wheel and the axle are 0.4cm and 0.1cm respectively; the efficiency of the machine is?

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