Doubts
Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents
Sign in to save progress →
Doubts
Sign in

Geometrical Optics question

2021 · 25 Jul · Shift 1 · Q54
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Physics
  4. /Geometrical Optics
  5. /2021 · 25 Jul · Shift 1 · Q54

Geometrical Optics question

2021 · 25 Jul · Shift 1 · Q54

JEE MainPhysicsGeometrical OpticsMCQ+4 / −1
A ray of laser of a wavelength 630 nm is incident at an angle of 30 ∘^\circ∘ at the diamond-air interface. It is going from diamond to air. The refractive index of diamond is 2.42 and that of air is 1. Choose the correct option.
  1. A
    angle of refraction is 24.41 ∘^\circ∘
  2. B
    angle of refraction is 30 ∘^\circ∘
  3. C
    refraction is not possible
  4. D
    angle of refraction is 53.4 ∘^\circ∘
PreviousNext

More from Geometrical Optics

  • A prism of refractive index μ and angle of prism A is placed in the position of minimum angle of deviation. If minimum angle of deviation is also A, then in terms of refractive index2021 · MCQ
  • A ray of light entering from air into a denser medium of refractive index 34​, as shown in figure. The light ray suffers total internal reflection at the adjacent surface as shown. The maximum value of angle θ should be… Includes diagram2021 · MCQ
  • Car B overtakes another car A at a relative speed of 40 ms − 1. How fast will the image of car B appear to move in the mirror of focal length 10 cm fitted in car A, when the car B is 1.9 m away from the car A?2021 · MCQ
  • An object is placed at a distance of 12 cm from a convex lens. A convex mirror of focal length 15 cm is placed on other side of lens at 8 cm as shown in the figure. Image of object coincides with the object. When the convex mirror is… Includes diagram2021 · Numerical
  • A short straight object of height 100 cm lies before the central axis of a spherical mirror whose focal length has absolute value | f | = 40 cm. The image of object produced by the mirror is of height 25 cm and has the same orientation of…2021 · MCQ
  • The incident ray, reflected ray and the outward drawn normal are denoted by the unit vectors a, b and c respectively. Then choose the correct relation for these vectors.2021 · MCQ
  • Given below are two statements : one is labeled as Assertion A and the other is labeled as Reason R. Assertion A : For a simple microscope, the angular size of the object equals the angular size of the image. Reason R : Magnification is…2021 · MCQ
  • A point source of light S, placed at a distance 60cm in front of the centre of a plane mirror of width 50 cm, hangs vertically on a wall. A man walks in front of the mirror along a line parallel to the mirror at a distance 1.2 m from it… Includes diagram2021 · Numerical