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Glancing angle of incidence means ....

Glancing angle of incidence means _____ .

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The correct Answer is:
Angle made by the incident ray with the surface of a reflector
Angle made by the incident ray with the surface of a reflector.
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Knowledge Check

  • A light ray incidents at an angle 30^(@) on a plane mirror and undergoes reflection. Arrange the following steps to determine the glancing angle of reflection. (A) The glancing angle of reflection is equal to glancing angle of incidence. (B) Get the value of angle of incidence anglei from the given data. (C) The glancing angle of incidence angleg , is equal to (90^(@)- anglei)

    A
    BCA
    B
    CBA
    C
    CAB
    D
    BAC

  • A light ray is made to incident on a mirror. If the glancing angle of incidence is 30^(@) , then write the following steps in sequence to find the angle between the incident light ray and the reflected light ray. (a) Note the glancing angle of incidence from the given information. (b) The angle of reflection is equal to the angle of incidence. (c) The angle of incidence anglei will be equal to (90^(@)- 30^(@)) . (d) The angle between the incident light ray and the reflected light ray is equal to 2 anglei or 2(90^(@)-angle30^(@)) .

    A
    DCAB
    B
    ADCB
    C
    DABC
    D
    ACBD

  • A ray of light in air is incident on a glass plate at polarising angle of incidence. It suffers a deviation of 22^(@) on entering glass. The angle of polarization is

    A
    `90^(@)`
    B
    `56^(@)`
    C
    `68^(@)`
    D
    zero

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    Glancing angle and angle of incidence are _______ angles .

    Draw ray diagrams for incident rays at angle of incidence less than critical angle and more than critical angle?

    On increasing angle of incidence for a prism the angle of deviation

    In a prison of small angle A, a beam of light is incident on its surface at an angle of incidence I and leaves the opposite surface of it is angle of 90^(@) with the surface. If prison material has refractive index of m then the value of angle of incidence will be:

    A light ray is incident on a smooth reflecting surface making an angle of incidence 2i. If the angle of incidence is doubled , then the deviation of the light ray s equal to _________.

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