JEE Mains 2020 Model Paper 2 New Pattern

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(NUMERICAL VALUE TYPE)
This section contains 5 questions. Each question is numerical value. For each question, enter the correct numerical value (in decimal notation, truncated/rounded-off to second decimal place.
(e.g. 6.25, 7.00, ‐0.33, ‐.30, 30.27, ‐127.30).
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Question : 49 of 75
 
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For what distance ray optics is a good approximation when aperture is 3 mm wide and wavelength is 500 nm (in metre)
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