despersion of light ,despersive power and combination of prism questions with solutions

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• MCQeasyGeometrical opticsdespersion of light ,despersive power and combination of prism

  When a beam of white light is allowed to pass through convex lens parallel to principal axis, the different colours of light converge at different point on the principle axis after refraction. This is called :

  Options

  • Option A

    Scattering

  • Option B

    Chromatic aberration

  • Option C

    Spherical aberration

  • Option D

    Polarisation

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• MCQeasyGeometrical opticsdespersion of light ,despersive power and combination of prism

  Given below are two statements :

  Statement I : When the white light passed through a prism, the red light bends lesser than yellow and violet.

  Statement II : The refractive indices are different for different wavelengths in dispersive medium.

  In the light of the above statements, choose the correct answer from the options given below :

  Options

  • Option A

    Both Statement I and Statement II are true.

  • Option B

    Statement I is true but Statement II is false.

  • Option C

    Both Statement I and Statement II are false.

  • Option D

    Statement I is false but Statement II is true.

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• MatchmediumGeometrical opticsdespersion of light ,despersive power and combination of prism

  In List-I, four optical effects are mentioned. The physical phenomena of light which are essential to describe these optical effects are given in List-II. Choose the option which describes the correct match between the entries in List-I to those in List-II.

  List 1

  1. (P) Colorful sky in north polar region (Aurora Borealis)

  2. (Q) Partially polarized sun light

  3. (R) Rainbow

  4. (S) Dark and bright fringes

  5. .

  List 2

  1. (1) Dispersion and reflection

  2. (2) Total internal reflection

  3. (3) Diffraction

  4. (4) Scattering of light by molecules in the atmosphere

  5. (5) Emission of radiation from oxygen and nitrogen atoms excited by charged particles

  Options

  • Option A

    P→5, Q→4, R→1, S→3

  • Option B

    P→4, Q→2, R→1, S→3

  • Option C

    P→4, Q→1, R→2, S→3

  • Option D

    P→5, Q→4, R→1, S→2

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  JEE Advanced2026Paper 1

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• MCQmediumGeometrical opticsdespersion of light ,despersive power and combination of prism

  Two thin prisms of re$fractive$ indices 1.54 and 1.72 are arranged so that their deviations cancel. If the first prism angle is 4°, find the second prism angle.

  Options

  • Option A

    2°

  • Option B

    3°

  • Option C

    4°

  • Option D

    3.5°

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• MCQeasyGeometrical opticsdespersion of light ,despersive power and combination of prism

  A thin prism with angle 5° of refractive index 1.72 is combined with another prism of refractive index 1.9 to produce dispersion without deviation. The angle of second prism is ______.

  Options

  • Option A

    4.5°

  • Option B

    6°

  • Option C

    4°

  • Option D

    5°

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