

MCQOPTIONS
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1. |
The rate of change of parallax dp/dh with respect to change in h, may be expressed as%! |
A. | fB/(H - h) |
B. | fB/(H - h)² |
C. | fB/(H + h) |
D. | fB/(H + h)² |
Answer» C. fB/(H + h) | |