JEE Main Physics: Ray Optics Practice Questions

21 questions with answers and step-by-step solutions. Tap any question to see the full worked solution.

  1. Q1.
    A concave mirror has a focal length of 20 cm. If an object is placed at a distance of 30 cm from the mirror, what is the image distance?
    Easy
  2. Q2.
    The refractive index of glass with respect to air is 1.5. What is the speed of light in glass if the speed of light in air is 3 times 10 to the power of 8 meter
    Easy
  3. Q3.
    A thin convex lens has a power of 2.0 Diopters. What is its focal length in meters?
    Easy
  4. Q4.
    Which of the following phenomena explains the formation of a rainbow?
    Easy
  5. Q5.
    An object is placed at a distance of 10 cm from a convex lens of focal length 15 cm. What is the nature of the image?
    Easy
  6. Q6.
    A point object is placed at a distance of 30 cm from a convex lens of focal length 20 cm. A convex mirror of radius of curvature 20 cm is placed 50 cm behind th
    Medium
  7. Q7.
    A ray of light enters a glass slab of thickness 10 cm and refractive index 1.5 at an angle of 45 degrees. What is the lateral shift produced by the slab?
    Medium
  8. Q8.
    A thin prism of angle 6 degrees and refractive index 1.5 is combined with another thin prism of refractive index 1.7 to produce dispersion without deviation. Wh
    Medium
  9. Q9.
    A fish in a pond at a depth of 20 cm looks up at a bird flying at a height of 30 cm above the water surface. What is the apparent distance of the bird as seen b
    Medium
  10. Q10.
    A biconvex lens has a focal length of 10 cm in air. If it is immersed in a liquid of refractive index 1.5, and the lens material has a refractive index of 1.5,
    Medium
  11. Q11.
    A thin prism of angle 6 degrees and refractive index 1.5 is combined with another thin prism of refractive index 1.7 to produce dispersion without deviation. Ca
    Hard
  12. Q12.
    A concave mirror of focal length 10 cm is placed at a distance of 30 cm from a convex lens of focal length 15 cm. An object is placed 20 cm in front of the lens
    Hard
  13. Q13.
    A ray of light enters a glass slab of thickness 10 cm and refractive index 1.5 at an angle of 45 degrees. Calculate the lateral shift of the ray.
    Hard
  14. Q14.
    A microscope is focused on a mark on a paper and then a slab of glass of thickness 6 cm and refractive index 1.5 is placed over the mark. How should the microsc
    Hard
  15. Q15.
    An object is placed at a distance of 15 cm from a concave mirror of focal length 10 cm. If the object is moved 5 cm towards the mirror, find the shift in the po
    Medium
  16. Q16.
    A fish in a pond at a depth of 30 cm looks up at a bird flying at a height of 30 cm above the water surface. What is the apparent distance of the bird as seen b
    Medium
  17. Q17.
    A ray of light enters a glass slab of thickness 10 cm and refractive index 1.5 at an angle of 60 degrees. Find the lateral shift of the ray.
    Hard
  18. Q18.
    A concave mirror of focal length 10 cm is placed at a distance of 30 cm from a convex mirror of focal length 15 cm. An object is placed 20 cm in front of the co
    Hard
  19. Q19.
    An object is placed at a distance of 15 cm from a convex lens of focal length 10 cm. Where is the image formed?
    Easy
  20. Q20.
    A thin convex lens has a power of +2.0 Diopters. What is its focal length?
    Easy
  21. Q21.
    Which of the following phenomena is responsible for the formation of a rainbow?
    Easy

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Ray Optics — JEE Main Physics Practice Questions with Solutions | SolveGini