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Explain the wave nature of light....

Explain the wave nature of light.

Text Solution

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1) Light is an electromagnetic wave.
2) Electromagnetic waves are produced when an electric charge vibrates.
3) This vibrating electric charge creates a change in the electric field. The changing electric field creates a changing magnetic field.
4) This process continues with both the created fields being perpendicular to each other and at right angles to the direction of propagation of the wave.
5) This electromagnetic wave is produced.
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Knowledge Check

  • Huygen.s principle of secondary wavelets can be used to a) deduce the laws of rectraction of light b) deduce the laws of refraction of light c) explain the transverse nature of light waves d) predict the location of a wavefront as time passes

    A
    a, b only
    B
    a, c only
    C
    a, b, d only
    D
    b, c only

  • A : Transverse wave nature of light is proved by polarisation. R : According to Maxwell, light is an electromagnetic wave but not mechanical wave.

    A
    Both A and R are true and R is the correct explanation of A
    B
    Both A and R are true and R is not the correct explanation of A
    C
    A is true and R is false
    D
    Both A and R are false

  • (A) : Photoelectric effect can only be explained by the particle nature of light. (R): For every metal there exists a limiting frequency of the incident light called, threshold frequency, below which electron einission is not possible.

    A
    A and R are true and R is the correct explanation of A.
    B
    A and R are true and R is not the correct explanation of A.
    C
    A is true, R is false.
    D
    A is false, R is true.

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    Explain the acidic nature of phenol.

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