Which of the Following Is True for Bragg Diffraction but Not

question 41

Multiple Choice

Which of the following is true for Bragg diffraction but not for diffraction from a grating?

• A)Two different wavelengths may be used
• B)For a given wavelength, a maximum may exist in several directions
• C)Long waves are deviated more than short ones
• D)There is only one grating spacing
• E)Maxima occur only for particular angles of incidence

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Definitions:

Noise

Unwanted or disruptive sounds or signals that interfere with the communication or processing of information.

Effective Communication

The intended meaning of the source and the perceived meaning of the receiver are identical.

Efficient Communication

The ability to convey information and ideas effectively and clearly with minimal waste of time and resources.

Filtering

The intentional distortion of information to make it appear more favourable to the recipient.