How could you show that the colours of the spectrum combine to give white light?
Download our app for free and get startedPlay store
Colours of a spectrum from one prism are allowed to fall on a similar prism placed adjacent to the first prism, but in inverted position. The refraction produced by second prism is equal and opposite to that produced by the first prism. This makes the colours of the spectrum combine to give white light.
art

Download our app
and get started for free

Experience the future of education. Simply download our apps or reach out to us for more information. Let's shape the future of learning together!No signup needed.*

Similar Questions

  • 1
    Why does the eye-lens not have to do all the work of converging incoming light rays?
    View Solution
  • 2
    Draw a diagram to show how white light can be dispersed into a spectrum by using a glass prism. Mark the various colours of the spectrum.
    View Solution
  • 3
    What shape are your eye-lenses:
    1. When you look at your hand?
    2. When you look at a distant tree?
    View Solution
  • 4
    A man can read the number of a distant bus clearly but he finds difficulty in reading a book.A man can read the number of a distant bus clearly but he finds difficulty in reading a book.
    1. From which defect of the eye is he suffering?
    2. What type of spectacle lens should he use to correct the defect?
    View Solution
  • 5
    Give the function of the following.
    1. Cornea.
    2. Iris.
    View Solution
  • 6
    A student has difficulty reading the blackboard while sitting in the last row. What could be the defect the child is suffering from? How can it be corrected?
    View Solution
  • 7
    Draw a diagram to show the refraction of light through a glass prism. On this diagram, mark:
    1. Incident ray.
    2. Emergent ray, and.
    3. Angle of deviation.
    View Solution
  • 8
    Suggest how your irises help to protect the retinas of your eyes from damage by bright light.
    View Solution
  • 9
    An object is moved closer to an eye. What changes must take place in the eye in order to keep the image in sharp focus?
    View Solution
  • 10
    What is meant by the dispersion of white light? Draw a diagram to show dispersion of white light by the glass prism.
    View Solution