Physics · 2020
JEE Main · 8 January 2020, Shift 1 · Q16
The magnifying power of a telescope with tube length 60 cm is 5. What is the focal length of its eye piece?
The magnifying power of a telescope with tube length $\displaystyle 60$ cm is 5. What is the focal length of its eye piece ?
Official answer
(1)
$\displaystyle 10$ cm
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JEE Main 2020 Physics question, with the answer from NTA’s final answer key. Where our answers come from.