10th Standard English Medium Science Subject Optics Creative 1 Mark Questions with Solution Part - II

10th Standard

    Reg.No. :
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Science

Time : 00:30:00 Hrs
Total Marks : 5
    5 x 1 = 5
  1. When a ray of light travels from one medium to another, it bends. This phenomenon is called.

    (a)

    reflection

    (b)

    dispersion

    (c)

    refraction

    (d)

    interference

  2. The splitting up of white light into colours is called

    (a)

    reflection

    (b)

    refraction

    (c)

    scattering

    (d)

    dispersion

  3. On a rainy day, small oily films on water show brilliant colours. This is due to

    (a)

    scattering

    (b)

    dispersion

    (c)

    reflection

    (d)

    refraction

  4. Rainbow formation is due to _____ water droplets.

    (a)

    Ionisation

    (b)

    absorption of sunlight

    (c)

    reflection and refraction of sunlight

    (d)

    reflection of sunlight

  5. Red light is used in traffic signals because

    (a)

    It has highest wavelength

    (b)

    disperses least

    (c)

    red is symbol of danger

    (d)

    both a & b

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