If an X-Ray Beam of Wavelength 1

question 51

Multiple Choice

If an X-ray beam of wavelength 1.4 × 10^-10 m makes an angle of 20° with a set of planes in a crystal causing first order constructive interference, at what angle will the second order line appear?

• A)40°
• B)20°
• C)43°
• D)4°
• E)11°

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Definitions:

Exception Handler

Code block or mechanism that handles or catches exceptions or errors occurring during the execution of a program.

Throw Statement

A command in many programming languages used to trigger an exception or error condition.

Throwing An Exception

Throwing an exception involves programmatically generating an error or exception condition, using statements like throw in Java, to signal that an abnormal or unexpected scenario has occurred.

Finally Block

A block in Java that follows try-catch blocks and is executed regardless of an exception being thrown or not.