Physics · 2013
JEE Main · 22 April 2013, Shift 1 · Q14
The focal length of the objective and the eyepiece of a telescope are 50cm and 5cm respectively. If the telescope is focussed for distinct vision on…
The focal length of the objective and the eyepiece of a telescope are 50cm and 5cm respectively. If the telescope is focussed for distinct vision on a scale distant $\displaystyle 2$ m from its objective, then its magnifying power will be :
Official answer
(4)
$\displaystyle -2$
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JEE Main 2013 Physics question, with the answer from NTA’s final answer key. Where our answers come from.