21
Question
The tip of a needle does not give a sharp image on a screen. This is due to
The tip of a needle does not give a sharp image on a screen. This is due to
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Solution
The correct option is D Diffraction
The lights bend at the tip of the needle which is responsible for the formation of blurred image. This phenomenon is called diffraction. It occurs mainly at sharp edges like tip of needle.
The lights bend at the tip of the needle which is responsible for the formation of blurred image. This phenomenon is called diffraction. It occurs mainly at sharp edges like tip of needle.
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