Jump to a section

Physics - Ray Optics

Practise 79 AIIMS previous year questions on Ray Optics, compiled from papers spanning 2002 to 2019. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty AIIMS tests.

Ray Optics has been asked in 18 of the 19 years of AIIMS papers analysed (2001–2019), with 79 questions in all. 49% of them were easy, 27% moderate and 24% tough. Most of its questions came from 2019, with 7 questions that year. In the last three years (2017–2019) it had 15 questions across 5 papers, about 3 per paper.

The chapter's 9 topics are not weighted equally: Lens Formula, Refraction of light from curved surface (17 questions, 22%), Optical Instruments (15 questions, 19%), and Critical angle and total internal reflection (11 questions, 14%) have been asked the most. Lens Formula, Refraction of light from curved surface has produced the most tough questions (8).

  1. 1A spherical mirror forms an image of magnification 3. The object distance, if focal length of mirror is , may be26 May, 2019Mirror Formula, Reflection in Spherical Mirror
  2. 2A telescope, whose objective lens has an aperture of for the wavelength of light , then limiting resolving power of the telescope is26 May, 2019Optical Instruments
  3. 3The refractive index of the material of an equilateral prism is 1.6. The angle of minimum deviation due to the prism would be26 May, 2019Prism and Dispersion of Light
  4. 4A bi-convex lens is formed with two thin plano-convex lenses as shown in the figure. Refractive index of the first lens is 1.5 and that of t26 May, 2019Lens Formula, Refraction of light from curved surface
  5. 5Assertion : A double convex lens has focal length . When the lens is immersed in water , its focal length becomes . Reason :26 May, 2019Lens Formula, Refraction of light from curved surface
  6. 6A person wear normal spectacles in which the distance between glasses and eyes is approximately , then power required is -5 D. If he wears c25 May, 2019Human eye
  7. 7A fish in water (refractive index ) looks at a bird vertically above in the air. If is the height of the bird and is the depth of the fish f25 May, 2019Refraction of light from plane surface
  8. 8In the figure, a ray of light is perpendicular to the face of a glass prism . Find the value of so that the ray is totally reflected at face27 May, 2018Prism and Dispersion of Light
  9. 9Focal length of convex lens is and focal length of concave lens is . Find the magnification of the given combination of lens if object is pl27 May, 2018Lens Formula, Refraction of light from curved surface
  10. 10If focal length of human eye is , then find the focal length of contact lens, such that a combined focus system of focal length is obtained 27 May, 2018Lens Formula, Refraction of light from curved surface
  11. 11In a simple microscope of focal length , final image is formed at the least distance of distinct vision, then its magnification will be26 May, 2018Optical Instruments
  12. 12Assertion : Rainy clouds appear dark from below. Reason : There is not sufficient light which can be scattered by these clouds.26 May, 2018Prism and Dispersion of Light
  13. 13A tall object is placed in front of a concave mirror of focal length . What is the size and nature of the image?2017Mirror Formula, Reflection in Spherical Mirror
  14. 14The least distance of vision of a longsighted person is . By using a spectacle lens, this distance is reduced to . The power of the lens is2017Lens Formula, Refraction of light from curved surface
  15. 15Assertion : A ray of light is incident from outside on a glass sphere surrounded by air. This ray may suffer total internal reflection at se2017Critical angle and total internal reflection
  16. 16Light wave enters from medium 1 to medium 2. Its velocity in medium is double from . For total internal reflection the angle of incidence mu2016Critical angle and total internal reflection
  17. 17A transparent cube of edge contains a small air bubble. Its apparent depth when viewed through one face is and when viewed through opposite 2016Refraction of light from plane surface
  18. 18Focal length of objective and eye piece of telescope are and respectively. What is the length of telescope for normal adjustment?2016Optical Instruments
  19. 19For a situation shown in figure, find the refrective index of glass so that it will suffer total internal reflection at the vertical surface2016Critical angle and total internal reflection
  20. 20Assertion : Electron microscope has more resolving power than optical microscope. Reason : We can control the energy of electron.2016Optical Instruments
  21. 21Assertion : When an object is placed between two plane parallel mirrors, then all the images found are of equal intensity. Reason : In case 2016Reflection of Light from Plane Mirror
  22. 22A person uses glasses to have normal vision from onwards. He uses a lens as a simple microscope to see an object. What is the maximum magnif2015Lens Formula, Refraction of light from curved surface
  23. 23Assertion : In optical fibre, the diameter of the core is kept small. Reason : The smaller diameter of the core ensures that the fibres shou2015Critical angle and total internal reflection
  24. 24Assertion : The resolving power of a telescope is more if the diameter of the objective lens is more. Reason : Objective lens of large diame2015Optical Instruments
  25. 25Assertion : The frequencies of incident, reflected and refracted beam of monochromatic light passing from one medium to another are the same2015Reflection of Light from Plane Mirror
  26. 26Assertion: A secondary rainbow have inverted colours than the primary rainbow. Reason : The secondary rainbow is formed by single total inte2015Critical angle and total internal reflection
  27. 27The length of deviation for a glass prism is equal to its refracting angle. The refractive index of glass is 1.5. Then the angle of prism is2014Prism and Dispersion of Light
  28. 28Resolving power of reflecting microscope increases with2014Optical Instruments
  29. 29The near point of distinct vision is at for an elderly person. What power of lens is to be used to bring the near point to the minimum dista2014Lens Formula, Refraction of light from curved surface
  30. 30Assertion: The edges of the images of white object formed by a concave mirror on the screen appear white. Reason: Concave mirror does not su2014Mirror Formula, Reflection in Spherical Mirror
  31. 31The frequency of a light wave in a material is and wavelength is . The refractive index of material will be2013Refraction of light from plane surface
  32. 32Assertion : The sun rises some time before the actual sun-rise. Reason : Because of the refraction through the different layers of atmospher2013Refraction of light from plane surface
  33. 33Assertion : Resolving power of a telescope depends only on wavelength. Reason : This is proportional to square of wavelength.2013Optical Instruments
  34. 34In a convex lens of focal length , the minimum distance between an object and its real image must be2012Lens Formula, Refraction of light from curved surface
  35. 35Assertion: A thick lens shows more chromatic aberration. Reason : Thick lens behave as many thin lenses.2012Lens Formula, Refraction of light from curved surface
  36. 36Assertion : The focal length of objective lens in telescope is much more than that of eye piece. Reason : Telescope has high resolving power2012Optical Instruments
  37. 37Two lens of focal lengths and are put in combination, find the power of the combination.2011Combination of Lens and Mirrors
  38. 38A far sighted person has his near point , find the power of lens he should use to see at , clearly.2011Human eye
  39. 39Assertion: When white light fall on the compact disc, multicolours are seen after reflection. Reason: CD disc behaves like a prism.2011Prism and Dispersion of Light
  40. 40Assertion: When a white light is passed through a lens, violet light is more refracted than red light. Reason : Focal length for red light i2011Lens Formula, Refraction of light from curved surface
  41. 41Assertion : Microscope magnifies the image. Reason : Angular magnification for image is more than object in microscope.2011Optical Instruments
  42. 42Assertion : Magnification of a convex mirror is always positive, but that of a concave mirror may be both positive or negative. Reason : It 2011Mirror Formula, Reflection in Spherical Mirror
  43. 43For a person near point of vision is . Then the power of lens he must wear so as to have normal vision, should be2010Lens Formula, Refraction of light from curved surface
  44. 44Assertion : If objective and eye lenses of a microscope are interchanged then it can work as teles cope. Reason : The objective lens of tele2010Optical Instruments
  45. 45A convex lens of refractive index has a power of in air. If it is placed in a liquid of refractive index 2 , then the new power of the lens 2009Lens Formula, Refraction of light from curved surface
  46. 46In a concave mirror, an object is placed at a distance from the focus and the image is formed at a distance from the focus. Then the focal l2009Mirror Formula, Reflection in Spherical Mirror
  47. 47A short linear object, of length , lies along the axis of a concave mirror, of focal length , at a distance from the pole of the mirror. The2009Mirror Formula, Reflection in Spherical Mirror
  48. 48Assertion : A total reflecting prism is used to erect the inverted image without deviation. Reason : Rays of light incident parallel to base2009Prism and Dispersion of Light
  49. 49Assertion : The edges of the images of white object formed by a concave mirror on the screen appear white. Reason : Concave mirror does not 2009Prism and Dispersion of Light
  50. 50A converging lens forms a real image \(I\) of an object on its principal axis. A rectangular slab of refractive index \( \) and thickness \(2008Refraction of light from plane surface

Frequently Asked Questions

1.How many questions are available for Ray Optics?

This chapter includes 79 questions compiled from AIIMS papers spanning 2002 to 2019.

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

These are AIIMS questions specifically for the Ray Optics chapter. Questions from other exams like NEET or JIPMER are organised separately under their respective exam sections.

3.Is Ray Optics an important chapter for AIIMS Physics?

Ray Optics has appeared in 18 of the 19 years of AIIMS papers covered here, with 79 questions across 20 papers - about 4 per paper it appears in.

4.What is the difficulty level of Ray Optics questions in AIIMS?

Of the 79 questions analysed for this chapter, 49% are easy, 27% moderate and 24% tough. 2019 had the most, with 7 questions.

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

These topics have carried the most weightage in Ray Optics:

  • Lens Formula, Refraction of light from curved surface - 17 questions (22%)
  • Optical Instruments - 15 questions (19%)
  • Critical angle and total internal reflection - 11 questions (14%)
  • Lens Formula, Refraction of light from curved surface has produced the most tough questions (8).
6.Is Ray Optics's weightage in AIIMS going up or down?

Across all 20 papers analysed, Ray Optics has averaged about 4.0 questions per paper. In the last three years (2017–2019), that average has fallen, at about 3.0 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.