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Light Energy Test - 4

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Light Energy Test - 4
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Weekly Quiz Competition
  • Question 1
    1 / -0

    The Ray is the ray of light striking a surface is called-

    Solution

    According to the question the correct option will be ‘A’ because Incident ray is the ray of light striking a surface.

  • Question 2
    1 / -0

    the phenomenon has two angles that are equal to each other is called-

    Solution

    According to the question the correct option will be ‘A’ because According to Snell's law of reflection, the angle of reflection with normal is equal to the angle of incidence with that normal and all these lie in the same plane.

  • Question 3
    1 / -0

    The bouncing of a beam of light from a polished surface in some other direction is called -

    Solution

    Refraction of light is the phenomenon of bending of light or change in the direction of light, when it passes obliquely from one transparent medium to another.

    Reflection is the phenomenon in which light rays on striking a polished surface(such as a mirror) bounce back or are sent back into the same medium.

    Dispersion is the phenomenon of splitting of white light into its component colours (VIBGYOR) on passing through a glass prism.

    Scattering is the phenomenon by which a beam of light is redirected or deflected in many different directions, when it passes through an imperfect medium, due to interaction with the particles of the medium.

  • Question 4
    1 / -0

    The perpendicular drawn to the surface of the mirror at the point of incidence is known as:

    Solution

    According to definition, the perpendicular drawn to the surface of the mirror at the point of incidence is known as normal ray.

  • Question 5
    1 / -0

    Which of the following phenomenon by which the incident light falling on a surface is sent back into the same medium is called as ___________.

    Solution

    According to the question the correct option will be ‘A’ because Reflection is the phenomenon by which the incident light falling on a surface is sent back into the same medium.

  • Question 6
    1 / -0

    Reflection can occur on

    Solution

    Objects which allow the light to pass through them completely without any obstruction are called transparent objects.

    Objects which allow the light to pass through them partially are called translucent objects.

    Objects which do not allow the light to pass through them are called opaque objects.

    Since, transparent objects allow light to pass through them completely, no reflection can occur on them. 

    Reflection occurs on translucent surfaces because they reflect a certain amount of light while allowing a certain amount of light to be transmitted. Reflection occurs perfectly on Opaque surfaces because they reflect all the light that falls on them without allowing any light to pass through them.

  • Question 7
    1 / -0

    an object, that reflects some light and transmits some light, is called -

    Solution

    According to the question the correct option will be ‘D’ because An object, that reflects some light and transmits some light, is called translucent.

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