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Light Test - 38...

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  • Question 1
    1 / -0

    Moon is visible to us because:

  • Question 2
    1 / -0

    If the angle of incidence on a plane mirror is $$\displaystyle { 45 }^{ o }$$. What will be its angle of reflection?

  • Question 3
    1 / -0

    If the angle between incident ray and normal is $$\displaystyle { 30 }^{ o }$$.what will be the angle of incidence?

  • Question 4
    1 / -0

    When the angle of reflection is $$\displaystyle { 60 }^{ 0 }$$, what will be the angle between the incident ray and the mirror?

  • Question 5
    1 / -0

    When the angle of reflection is $$\displaystyle { 40 }^{ o }$$, the angle between normal and the mirror will be :

  • Question 6
    1 / -0

    When the angle between incident ray and mirror is increased, the angle of reflection:

  • Question 7
    1 / -0

    What happens when you throw a ray of light on the mirror along the normal?

  • Question 8
    1 / -0

    According to the laws of reflection, the angle of incidence is equal to the angle of reflection. This statement:

  • Question 9
    1 / -0

    Match the following

    i. Corneaa. Back surface of eye where image is formed
    ii. Pupilb. Coloured part of eye
    iii. Retinac. Membrane that refracts light and protects the eye
    iv. Irisd. Transparent opening of eye.Light passes through it
     

  • Question 10
    1 / -0

    Match the column:


    a. optic nervei. coloured part of the eye
    b. ciliary muscleii. refracts light and focuses a real image on the back of eye
    c. lensiii. it can increase or decrease the thickness of lens
    d.irisiv. carries information to the brain about light that strikes the retina

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