Target Exam

CUET

Subject

Physics

Chapter

Wave Optics

Question:

The sunlight is allowed to fall on a pinhole of diameter $10^{-4}$ mm and thus a diffraction pattern is obtained. How will the size and intensity of the diffraction pattern be affected, if the diameter of the pinhole is slightly increased?

Options:

size increases; intensity increases

size increases; intensity decreases

size decreases; intensity increases

size decreases; intensity decreases

Correct Answer:

size decreases; intensity increases

Explanation:

The correct answer is Option (3) → size decreases; intensity increases