To observe diffraction, the size of the obstacleA. should be `lambda//2`, where `lambda` is the wavelength.B. should be of the order of wavelength.C. has no relation to wavelength.D. should be much larger than the wavelength.

To observe diffraction, the size of the obstacleA. should be `lambda//

1.	To observe diffraction, the size of the obstacleA. should be `lambda//2`, where `lambda` is the wavelength.B. should be of the order of wavelength.C. has no relation to wavelength.D. should be much larger than the wavelength.
Answer» Correct Answer - B

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To observe diffraction, the size of the obstacleA. should be `lambda//2`, where `lambda` is the wavelength.B. should be of the order of wavelength.C. has no relation to wavelength.D. should be much larger than the wavelength.

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