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Physics - Wave Optics

Practise 60 TS EAMCET previous year questions on Wave Optics, compiled from papers spanning 2001 to 2025. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty TS EAMCET tests.

Wave Optics has been asked in 23 of the 24 years of TS EAMCET papers analysed (2001–2024), with 60 questions in all. 40% of them were easy, 48% moderate and 12% tough. Most of its questions came from 2020, with 7 questions that year. In the last three years (2022–2024) it had 15 questions across 17 papers, about 0.9 per paper.

The chapter's 6 topics are not weighted equally: Youngs Double Slit Experiment (38 questions, 63%), Diffraction of Light (9 questions, 15%), and Interference of Light (5 questions, 8%) have been asked the most. Youngs Double Slit Experiment has also led over the last five years, with 18 questions. Youngs Double Slit Experiment has produced the most tough questions (6).

  1. 1When two light waves of equal intensity superimpose, the maximum intensity obtained is I. If the intensity of one of the waves is quadrupled04 May, 2025 (M)Interference of Light
  2. 2The distance for which ray optics becomes a good approximation for an aperture of 0.3 cm and a light of wavelength is04 May, 2025 (E)Diffraction of Light
  3. 3In Young's double slit experiment, if the distance between bright and dark fringes is 3 mm, then the distance between dark and bright fringe03 May, 2025 (M)Youngs Double Slit Experiment
  4. 4When unpolarised light from air incidents on the surface of a medium of refractive index , then the reflected light is totally polarised. Th03 May, 2025 (E)Polarization of Light
  5. 5In Young's double slit experiment with light of wavelength , the intensity of light at a point on the screen where the path difference becom02 May, 2025 (M)Youngs Double Slit Experiment
  6. 6For an aperture of and a monochromatic light of wavelength , the distance for which ray optics becomes a good approximation is 50 m, then02 May, 2025 (E)Diffraction of Light
  7. 7In Young's double slit experiment, intensity of light at a point on the screen where the path difference becomes is . The intensity at a poi11 May, 2024 (M)Youngs Double Slit Experiment
  8. 8In Young's double slit experiment, intensity of light at a point on the screen where the path difference becomes is . The intensity at a poi10 May, 2024 (M)Youngs Double Slit Experiment
  9. 9The Brewster angle for air to glass transition of light is (Refractive index of glass ).10 May, 2024 (E)Polarization of Light
  10. 10The efficiency of a bulb of power 60 W is . The peak value of the electric field produced by the electromagnetic radiation from the bulb at 10 May, 2024 (E)Wave Theory and Wavefronts
  11. 11Young's double slit experiment is performed with monochromatic light of wavelength 6000 A . If the intensity of light at a point on the scre09 May, 2024 (M)Youngs Double Slit Experiment
  12. 12In a single slit diffraction, the slit is illuminated with light of wavelength . If the slit were illuminated by a light of wavelength the a14 May, 2023 (E)Diffraction of Light
  13. 13Two slits are made one millimetre apart and the screen is placed one metre away from the slits. The fringe width when light of wavelength is13 May, 2023 (M)Youngs Double Slit Experiment
  14. 14Two slits separated by a distance of are illuminated with light of wavelength . The interference fringes are observed on a screen placed at 13 May, 2023 (E)Youngs Double Slit Experiment
  15. 15When Young's double slit experiment is performed in air, the Y-coordinates of central maxima and maxima are and respectively. If the apparat12 May, 2023 (M)Youngs Double Slit Experiment
  16. 16If the slit width is and wavelength of light used is , then Fresnel distance is nearly12 May, 2023 (E)Diffraction of Light
  17. 17In an interference pattern of Young's double slit experiment, at a point we observe the order maximum for a monochromatic light source with 20 Jul, 2022 (M)Youngs Double Slit Experiment
  18. 18In Young's double slit experiment for what order does the wavelength of red light coincide with order of blue light19 Jul, 2022 (M)Youngs Double Slit Experiment
  19. 19In a double-slit experiment performed in air the angular width of a fringe is found to be on a screen placed away. The wavelength of light u19 Jul, 2022 (E)Youngs Double Slit Experiment
  20. 20A Young s double slit experiment apparatus has slits separated by 0 . 2 mm and a screen 60 cm away from the slits. The whole apparatus is im18 Jul, 2022 (M)Youngs Double Slit Experiment
  21. 21The angular width of a fringe in a double slit experiment is found to be 0 . 2 on a screen 1 m away. The wavelength of light used is 600 nm 18 Jul, 2022 (E)Youngs Double Slit Experiment
  22. 22In Young's double slit experiment, point on the screen has a path difference of and point on the screen has a path difference of . What is t06 Aug, 2021 (M)Youngs Double Slit Experiment
  23. 23White light is used to illuminate the two slits in a Young's double experiment. The observed central fringe is06 Aug, 2021 (E)Youngs Double Slit Experiment
  24. 24A point source is located at a distance of 20 cm from the front surface of a symmetrical glass biconvex lens with equal radii of curvature 505 Aug, 2021 (E)Youngs Double Slit Experiment
  25. 25A wave is represented by the equation y = ( 0 . 02 m ) sin ( 5 x - 20 t ) . The minimum distance between the two particles always having the04 Aug, 2021 (M)Youngs Double Slit Experiment
  26. 26In Young s double slit experiment using monochromatic light of wavelength , the intensity of light at a point on the screen where the path d04 Aug, 2021 (E)Youngs Double Slit Experiment
  27. 27Which of the following phenomena produces the colour in soap bubble?14 Sep, 2020 (M)Interference of Light
  28. 28If in a Young's double slit experiment the slit separation is doubled and the distance of the screen from the slits is reduced to half, then14 Sep, 2020 (E)Youngs Double Slit Experiment
  29. 29The shape of wavefront of light diverging from point source11 Sep, 2020 (M)Wave Theory and Wavefronts
  30. 30On using red light in Young's double slit experiment, 60 fringes are observed in the field of view. If violet light is used, the number of f10 Sep, 2020 (M)Youngs Double Slit Experiment
  31. 31Young's double slit experiment is carried out by using green, red and blue light, one colour at a time. The fringe width recorded are respec10 Sep, 2020 (M)Youngs Double Slit Experiment
  32. 32The P - V diagram shown below indicates two paths along which a sample of gas can be taken from state A to state B . The energy equal to 5 P09 Sep, 2020 (M)Interference of Light
  33. 33Choose the incorrect statement.09 Sep, 2020 (E)Youngs Double Slit Experiment
  34. 34Light consisting of a plane waves of wavelength, and generates an interference pattern in Young's double slit experiment. If denotes the th 06 May, 2019 (M)Youngs Double Slit Experiment
  35. 35The pass-axes of two polarisers were kept such that the incident unpolarised beam of intensity , gets completely blocked. Another polariser 04 May, 2019 (E)Interference of Light
  36. 36When light of an unknown polarisation is examined with a polaroid, it is found to exhibit maximum intensity along -axis and minimum intensit03 May, 2019 (M)Polarization of Light
  37. 37In a Young's double slit experiment, th order and th order of bright fringes are formed at point on a distant screen, if monochromatic sourc03 May, 2019 (M)Youngs Double Slit Experiment
  38. 38Three lenses of focal lengths + 10 cm , - 10 cm and + 30 cm are placed at a distance of 30 cm , 35 cm and 45 cm respectively from an object.03 May, 2019 (E)Special Cases in YDSE
  39. 39A light beam of wavelength passes through a single slit and projected on a screen lsept at away from the slit. What should be the slit width07 May, 2018 (M)Youngs Double Slit Experiment
  40. 40In an experiment, light passing through two slits separated by a distance of is projected on to a screen placed at from the plane of slits. 05 May, 2018 (M)Youngs Double Slit Experiment
  41. 41Interference fringes are obtained in a Young double slit experiment using beam of light consisting two wavelengths 500 nm and 600 nm . Brigh04 May, 2018 (M)Youngs Double Slit Experiment
  42. 42In a Young's double slit experiment, a monochromatic light of wavelength is used. If the two slits are covered by transparent sheets of thic04 May, 2018 (E)Youngs Double Slit Experiment
  43. 43A parallel beam of light of intensity is incident on a coated glass plate. If of the incident light is reflected from the upper surface and 2017Youngs Double Slit Experiment
  44. 44Through a narrow slit of width , diffraction pattern is formed on a screen kept at a distance from the slit. The wavelength of the light use2015Diffraction of Light
  45. 45In a double slit interference experiment, the fringe width obtained with a light of wavelength was for parallel narrow slits placed apart. I2014Youngs Double Slit Experiment
  46. 46Fresnel diffraction is produced due to light rays falling on a small obstacle. The intensity of light at a point on a screen beyond an obsta2013Diffraction of Light
  47. 47Two coherent point sources and vibrating in phase emit light of wavelength . The separation between them is as shown in figure. The first br2012Youngs Double Slit Experiment
  48. 48In the Young's double slit experiment, the resultant intensity at a point on the screen is of the maximum intensity of the bright fringe. Th2011Youngs Double Slit Experiment
  49. 49Two coherent sources whose intensity ratio is produce interference fringes. The ratio of intensities of maxima and minima is2010Youngs Double Slit Experiment
  50. 50In the Young's double slit experiment, the intensities at two points and on the screen are respectively and . If is located at the centre of2009Youngs Double Slit Experiment

Frequently Asked Questions

1.How many questions are available for Wave Optics?

This chapter includes 60 questions compiled from TS EAMCET papers spanning 2001 to 2025.

2.Are these questions only from TS EAMCET, or from other exams too?

These are TS EAMCET questions specifically for the Wave Optics chapter. Questions from other exams like JEE Main or NTA Abhyas (JEE Main) are organised separately under their respective exam sections.

3.Is Wave Optics an important chapter for TS EAMCET Physics?

Wave Optics has appeared in 24 of the 25 years of TS EAMCET papers covered here, with 60 questions across 55 papers - about one per paper it appears in.

4.What is the difficulty level of Wave Optics questions in TS EAMCET?

Of the 60 questions analysed for this chapter, 40% are easy, 48% moderate and 12% tough. 2020 had the most, with 7 questions.

5.Which topics in Wave Optics should I focus on?

These topics have carried the most weightage in Wave Optics:

  • Youngs Double Slit Experiment - 38 questions (63%)
  • Diffraction of Light - 9 questions (15%)
  • Interference of Light - 5 questions (8%)
  • Youngs Double Slit Experiment has produced the most tough questions (6).
6.Is Wave Optics's weightage in TS EAMCET going up or down?

Across all 55 papers analysed, Wave Optics has averaged about 1.1 questions per paper. In the last three years (2022–2024), that average has fallen, at about 0.9 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.