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The separation between Bragg's planes in...

The separation between Bragg's planes in a crystal is `10overset(@)A`. Then the wavelenght of those X-rays which can be diffracted by this cystal is-
(1) `5 overset(@)A` (2) `10 overset(@)A`
(3) `20 overset(@)A` (4) `25overset(@)A`

A

1,2 and 3 are correct

B

2 and 2 are correct

C

3 and 4 are correct

D

2 and 3 are correct

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