Target Exam

CUET

Subject

Physics

Chapter

Wave Optics

Question:

In a diffraction experiment, the screen is placed 2 m away from a narrow slit. The first minimum observed is at 5 mm on either side of the central maximum for wavelength of $5 × 10^{-5} cm$. The width of the slit is:

Options:

0.01 cm

0.02 cm

0.11 cm

0.12 cm

Correct Answer:

0.02 cm

Explanation:

The correct answer is Option (2) → 0.02 cm