In a diffraction pattern, what does the term 'order of diffraction' refer to?

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Question: In a diffraction pattern, what does the term \'order of diffraction\' refer to?

Options:

Correct Answer: The number of maxima observed

Solution:

The order of diffraction refers to the number of maxima observed in the diffraction pattern, with the central maximum being the zeroth order.

In a diffraction pattern, what does the term 'order of diffraction' refer to?

In a diffraction pattern, what does the term 'order of diffraction' refer to?

Step 1: Understand that a diffraction pattern is created when waves, like light, pass through a small opening or around an obstacle.
Step 2: In this pattern, you will see bright and dark spots called maxima and minima.
Step 3: The central bright spot in the pattern is called the zeroth order maximum.
Step 4: The bright spots on either side of the central maximum are called first order maxima, second order maxima, and so on.
Step 5: The order of diffraction is simply the number that indicates how far a maximum is from the central maximum, starting from zero.

Order of Diffraction – The order of diffraction indicates the sequence of maxima in a diffraction pattern, starting from the central maximum (zeroth order) and moving outward.