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Write the conditions for total internal ...

Write the conditions for total internal reflection.

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Explore conceptually related problems

State the conditions of total internal reflection. Refractive indices of the given prism material for Red, Blue and Green colors are respectively 1.39, 1.48 and 1.42 respectively. Trace the path of rays through the prism.

What is total internal reflection of light ? What are conditions for total internal reflection ?

Conditions Of Total Internal Reflection

For a given incident ray as shown in Fig., the condition of total internal reflection of ray will be satisfied if the refractive index of the block will be. .

What is total internalreflection ? What is the meaning of critical angle ? What are the necessary conditions for total internal reflection ? Write the relation between critical angle and refractive index of the medium.

Describe briefly any three applications of total internal reflection.

What is critical angle? Give one application of total internal reflection.

Knowledge Check

  • For a given incident ray as shown in Fig., the condition of total internal reflection of ray will be satisfied if the refractive index of the block will be. .

    A
    `(sqrt(3) + 1)/(2)`
    B
    `(sqrt(2) + 1)/(2)`
    C
    `sqrt((3)/(2))`
    D
    `sqrt((7)/(6))`

  • If the critical angle for total internal reflection from a medium to vaccum is 30^(@) , the speed of light in the mediu is

    A
    `3xx10^(8)ms^(-1)`
    B
    `1.5xx10^(8)ms^(-1)`
    C
    `sqrt3xx10^(8)ms^(-1)`
    D
    `2xx10^(8)ms^(-1)`

  • Which is true for total internal reflection?

    A
    Light travels from rarer to denser medium
    B
    Light travels from denser to rarer medium
    C
    Independent of the optical densities of two medium
    D
    Takes place in the same medium
    • XII BOARDS PREVIOUS YEAR-QUESTION PAPER 2022 SET - 5-SECTION-B
    1. Write the conditions for total internal reflection.

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    2. Two prisms ABC and DBC are arranged as shown in figure . The cr...

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    3. An object is placed in front of a converging lens. Obtain the conditio...

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    4. A point object is placed at O in formt of a glass sphere as show in f...

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    5. The work function of a metal is 2.31 eV. Photoelectric emission occurs...

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    6. The work function of a metal is 2.31 eV. Photoelectric emission occurs...

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    7. The work function of a metal is 2.31 eV. Photoelectric emission occurs...

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    8. A beam of light consisting of two wavelengths 600 nm and 500 nm is use...

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    9. A beam of light consisting of two wavelengths 600 nm and 500 nm is use...

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    10. Electromagnetic waves of wavelengths lambda1, lambda2 and lambda3 are ...

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    11. Mention the conditions for the two sources to be coherent.

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    12. Give two points of difference between an interference pattern due to a...

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    13. In a diffraction pattern due to a single slit. how will the angular wi...

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    14. In a diffraction pattern due to a single slit. how will the angular wi...

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    15. In a single slit diffraction pattern, how does the angular width of ce...

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    16. Briefly explain how emf is generated in a solar cell . Draw its I-V ch...

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    17. James Chadwick, in 1932, studied the emission of neutral radiations wh...

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    18. Two nuclei may have the same radius, even though they contain differen...

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    19. The energy of hydrogen atom in an orbit is -1.51 eV. What are kinetic ...

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    20. The electron in a hydrogen atom is typically found at a distance of ab...

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