JEE Main 2022 · PhysicsNumerical answerNumerical valueMediumCalculation

JEE Main 24 June 2022, Shift 1, Physics Q55

Question 55 of 90 in this shift, Physics question 25 of 30, Section B.

Sodium light of wavelengths 650 nm and 655 nm is used to study diffraction at a single slit of aperture 0.5 mm. The distance between the slit and the screen is 2.0 m. The separation between the positions of the first maxima of diffraction pattern obtained in the two cases is ______

\times 10^{-5}

Official answer

NTA final key (2022 Session 1).

Chapter: Wave Optics
Topic: Single Slit Diffraction
Idea tested: Secondary Maxima Condition

Same topic in other shifts

All Single Slit Diffraction questions

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4 Apr 2026, Shift 1 · Q33A slit of width $a$ is illuminated by light of wavelength $\lambda$ . The linear separation between $1^{\text{st}}$ and $3^{\text{rd}}$ …EasySingle correct
8 Apr 2026, Shift 2 · Q47Some distant star is to be observed by some telescope of diameter of objective lens $a$ , at an angular resolution of $3.0 \times 10^{-7}$ …EasyNumerical value
2 Apr 2025, Shift 1 · Q50If the measured angular separation between the second minimum to the left of the central maximum and the third minimum to the right of the…MediumNumerical value
4 Apr 2025, Shift 2 · Q46In a Young's double slit experiment, two slits are located 1.5 mm apart. The distance of screen from slits is 2 m and the wavelength of…MediumNumerical value
8 Apr 2024, Shift 1 · Q59A parallel beam of monochromatic light of wavelength 600 nm passes through single slit of 0.4 mm width. Angular divergence corresponding…EasyNumerical value

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 42 of the 174 JEE Main shifts held from 2017 to 2026.