Physics · 2019
JEE Main · 8 April 2019, Shift 2 · Q24
Calculate the limit of resolution of a telescope objective having a diameter of 200 cm, if it has to detect light of wavelength 500 nm coming from a…
Calculate the limit of resolution of a telescope objective having a diameter of $\displaystyle 200$ cm, if it has to detect light of wavelength $\displaystyle 500$ nm coming from a star.
Official answer
(4)
$\displaystyle 305 \times 10^{-9} \text { radian }$
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JEE Main 2019 Physics question, with the answer from NTA’s final answer key. Where our answers come from.