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Physics - Ray Optics

Practise 49 Manipal (MET) previous year questions on Ray Optics, compiled from papers spanning 2010 to 2024. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty Manipal (MET) tests.

Ray Optics has been asked in 15 of the 15 years of Manipal (MET) papers analysed (2010–2024), with 49 questions in all. 51% of them were easy, 41% moderate and 8% tough. Most of its questions came from 2020, with 7 questions that year. In the last three years (2022–2024) it had 3 questions across 3 papers, about 1 per paper.

The chapter's 9 topics are not weighted equally: Lens Formula, Refraction of light from curved surface (12 questions, 24%), Prism and Dispersion of Light (12 questions, 24%), and Mirror Formula, Reflection in Spherical Mirror (7 questions, 14%) have been asked the most. Over the last five years the most frequent topics have been Critical angle and total internal reflection (3), Lens Formula, Refraction of light from curved surface (3), and Combination of Lens and Mirrors (1). Lens Formula, Refraction of light from curved surface has produced the most tough questions (3).

  1. 1When a lens is cut into two halves along , then focal length of each half lens2024Lens Formula, Refraction of light from curved surface
  2. 2A ray falls on a prism and travels as shown in figure. The minimum refractive index of the prism material should be2023Critical angle and total internal reflection
  3. 3The angle of a prism is . One of its refracting surface is silvered. If light rays: falling at an angle of incidence on the first suface ret2022Prism and Dispersion of Light
  4. 4If and are the unit vectors along the incident ray, reflected ray and outward normal to the reflecting surface, then:2021Reflection of Light from Plane Mirror
  5. 5When a glass prism of refracting angle is immersed in a liquid its angle of minimum deviation is . The critical angle of glass with respect 2020Critical angle and total internal reflection
  6. 6A man at a distance 11 km from two pillars wants to see two pillars separately. What will be the approximate distance between the pillars?2020Human eye
  7. 7A convex lens of focal length 0.12 m produces an image, which is three times as long as the object. The distance between the object and the 2020Lens Formula, Refraction of light from curved surface
  8. 8The magnifying power of a telescope is . If the focal length of the eye piece is doubled, then its magnifying power will become2020Optical Instruments
  9. 9A concave lens is kept in contact with a convex lens of focal length 20 cm . The combination works as convex lens of focal length 50 cm . Th2020Combination of Lens and Mirrors
  10. 10The critical angle for glass water interface if2020Critical angle and total internal reflection
  11. 11A man who wears glasses of power 3D must holds a newspaper at least 25 cm away to see the print clearly. How far away would the newspaper ha2020Lens Formula, Refraction of light from curved surface
  12. 12A point object is placed in front of a glass rod having spherical end of radius of curvature 30 cm . The image would be formed at2019Lens Formula, Refraction of light from curved surface
  13. 13In the formation of a rainbow light from the sun on water droplets undergoes2019Prism and Dispersion of Light
  14. 14Light travelling from a transparent medium to air undergoes total internal reflection at an angle of incidence of . Then refractive index of2019Critical angle and total internal reflection
  15. 15A light ray from air is incident (as shown in figure) at one end of a glass fiber (refractive index, ) making an incidence angle of on the l2019Critical angle and total internal reflection
  16. 16When a ray is incident on a medium of refractive index at Brewster's angle, it gets2018Refraction of light from plane surface
  17. 17A thin convex lens of refractive index 1.5 has 20 cm focal length in air. If the lens is completely immersed in a liquid of refractive index2018Lens Formula, Refraction of light from curved surface
  18. 18The light ray is incident at angle of on a prism of angle . When the light rays falls on the other surface at , the refractive index of the 2018Prism and Dispersion of Light
  19. 19A plano-convex lens is made of refractive index of 1.6. The radius of curvature of the curved surface is 60 cm . The focal length of the len2018Lens Formula, Refraction of light from curved surface
  20. 20If refractive index of a material of equilateral prism is , then angle of minimum deviation of the prism is2018Prism and Dispersion of Light
  21. 21The plane faces of two identical plano-convex lenses each having a focal length of 50 cm are placed against each other to form a usual bicon2017Lens Formula, Refraction of light from curved surface
  22. 22The angle of a prism is and its refractive index is . The angle of minimum deviation suffered by a ray of light in passing through it is2017Prism and Dispersion of Light
  23. 23A thin rod of length is placed along the optic axis of a concave mirror of focal length , such that its image which is real and elongated ju2017Mirror Formula, Reflection in Spherical Mirror
  24. 24The angle of minimum deviation for a prism of angle is . The refractive index is2017Prism and Dispersion of Light
  25. 25When an equilateral prism of refractive index produces minimum deviation the angle of incidence at the first face must be2017Prism and Dispersion of Light
  26. 26White light reflected at normal incidence from a soap film has minima at and maxima at in the visible region with not minimum in between. If2016Mirror Formula, Reflection in Spherical Mirror
  27. 27A ray of light is travelling through a medium of refractive index with respect to air. When it is incident on the surface making an angle wi2016Refraction of light from plane surface
  28. 28A thin walled glass sphere of radius 2.5 cm is filled with water. An object is placed at 7.5 cm from the surface of the sphere. Neglecting t2016Lens Formula, Refraction of light from curved surface
  29. 29A rectangular glass slab of refractive index is immersed in water of refractive index . A ray of light is incident at the surface of the sla2015Refraction of light from plane surface
  30. 30Figure shows an irregular block of material of refractive index . A ray of light strikes the face as shown in figure. After refraction, it i2015Refraction of light from plane surface
  31. 31A point object is placed at a distance of 20 cm from a thin plano-convex lens of focal length 15 cm , if the plane surface is silvered. The 2014Mirror Formula, Reflection in Spherical Mirror
  32. 32A biconvex lens of focal length forms a circular image of sun of radius in focal plane. Then,2014Mirror Formula, Reflection in Spherical Mirror
  33. 33Graph of position of image versus position of point object from a convex lens is shown. Then, focal length of the lens is2014Mirror Formula, Reflection in Spherical Mirror
  34. 34A prism of refractive index has refracting angle of . At what angle a ray must be incident one it so that it suffers a minimum deviation?2013Prism and Dispersion of Light
  35. 35An object is placed at a distance 20 cm from the pole of a convex mirror of focal length 20 cm . The image is produced2013Mirror Formula, Reflection in Spherical Mirror
  36. 36The plano-convex lens of focal length 20 cm and 30 cm are placed together to form a double convex lens, the final focal length will be2013Lens Formula, Refraction of light from curved surface
  37. 37An observer loop at a tree of height 15 m with a telescope of magnifying power 10 . To him the tree appears2013Optical Instruments
  38. 38The ratio of the speed of an object to the speed of its real image of magnification of a convex mirror is2013Mirror Formula, Reflection in Spherical Mirror
  39. 39A red flower kept in green light will appear2013Prism and Dispersion of Light
  40. 40A thin plano-convex lens acts like a concave mirror of focal length 0.2 m when silvered from its plane surface. The refractive index of the 2012Lens Formula, Refraction of light from curved surface
  41. 41Power of a lens is -4 D and for second lens, power is +2 D ; the total power of the couple is2012Lens Formula, Refraction of light from curved surface
  42. 42A ray reflected successively from two plane mirrors inclined at a certain angle undergoes a deviation of . Then, the number of images observ2012Reflection of Light from Plane Mirror
  43. 43When the light enters from air to glass, for which colour the angle of deviation is maximum?2012Prism and Dispersion of Light
  44. 44A thin prism of angle and refractive index is combined with another thin prism of refractive index 1.72 to produce dispersion without deviat2011Prism and Dispersion of Light
  45. 45While viewing a distant object with a telescope suddenly a housefly sits on objective lens. The correct statement is that2011Optical Instruments
  46. 46A fish at a depth of 12 cm in water is viewed by an observer on the bank of a lake. To what height the image of the fish is raised? (Refract2011Refraction of light from plane surface
  47. 47The angle of minimum deviation for an equilateral glass prism is . Refractive index of the prism is2010Prism and Dispersion of Light
  48. 48A beam of light is incident at to a plane surface. The reflected and refracted rays are perpendicular to each other then refractive index of2010Refraction of light from plane surface
  49. 49A convex lens is placed between object and a screen. The size of object is 3 cm and an image of height 9 cm is obtained on the screen. When 2010Lens Formula, Refraction of light from curved surface

Frequently Asked Questions

1.How many questions are available for Ray Optics?

This chapter includes 49 questions compiled from Manipal (MET) papers spanning 2010 to 2024.

2.Are these questions only from Manipal (MET), or from other exams too?

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

3.Is Ray Optics an important chapter for Manipal (MET) Physics?

Ray Optics has appeared in 15 of the 15 years of Manipal (MET) papers covered here, with 49 questions across 15 papers - about 3 per paper it appears in.

4.What is the difficulty level of Ray Optics questions in Manipal (MET)?

Of the 49 questions analysed for this chapter, 51% are easy, 41% moderate and 8% tough. 2020 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 - 12 questions (24%)
  • Prism and Dispersion of Light - 12 questions (24%)
  • Mirror Formula, Reflection in Spherical Mirror - 7 questions (14%)
  • Lens Formula, Refraction of light from curved surface has produced the most tough questions (3).
6.Is Ray Optics's weightage in Manipal (MET) going up or down?

Across all 15 papers analysed, Ray Optics has averaged about 3.3 questions per paper. In the last three years (2022–2024), that average has fallen, at about 1.0 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.