Question:
3 240 nm 4 820 nm 29 A plane wavefront AB is incident on a
Last updated: 6/25/2023
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3 240 nm 4 820 nm 29 A plane wavefront AB is incident on a concave mirror as shown in figure Then the wavefront just after reflection is 1 B 3 2 30 In a Young s double slit experiment 50 fringes are 4 None of these