Advertisements
Advertisements
प्रश्न
The phenomenon of splitting of light into its component colours is ___________ .
Advertisements
उत्तर
The phenomenon of splitting of light into its component colours is dispersion.
APPEARS IN
संबंधित प्रश्न
A student is observing a diagram showing the path of a ray of light passing through a glass prism. He would find that for all angles of incidence the ray of light bends:
Draw a ray diagram to show the dispersion of white light.
In the formation of spectrum of white light by a prism:
which colour is deviated most?
What will happen if another similar glass prism is placed upside down behind the first prism?
In the figure given alongside, a narrow beam of white light is shown to pass through a triangular glass prism. After passing through the prism, it produces a spectrum YX on the screen.
State the colour seen (i) at X, and (ii) at Y.
What acts as tiny prisms in the formation of a rainbow?
Name the process which is involved in the formation of a rainbow.
The coloured light having the maximum speed in glass prism is:
(a) blue
(b) green
(c) violet
(d) yellow
Why do you not see a spectrum of colours when light passes through a flat pane of glass?
The speed of light in air or vacuum is
A ray of white light falls on a prism. Draw a ray diagram to show that the prism disperses the white light.
Complete the ray diagram given below to show the nature of light produced on the screen.
In an experiment to trace the path of a ray of light through a triangular glass prism, a student would observe that the emergent ray
(a) is parallel to the incident ray.
(b) is along the same direction of incident ray.
(c) gets deviated and bends towards the thinner part of the prism.
(d) gets deviated and bends towards the thicker part (base) of the prism.
What is the cause of the dispersion of white light through a glass prism? Draw a ray diagram to show the path of light when two identical glass prisms are arranged together in an inverted position with respect to each other and a narrow beam of white light is allowed to fall obliquely on one of the faces of the prisms.
Write the range of wavelength of the visible spectrum.
Which of the following is a natural phenomenon which is caused by the dispersion of sunlight in the sky?
State the correct sequence (1-7) of colours in the spectrum formed by the prisms A and B, shown in the following figure.
Which one of the following is involved for the formation of rainbow in the sky?
A ray of light is incident at 45° on an equilateral prism in the diagram below.
- Name the phenomenon exhibited by the ray of light when it enters and emerges out of the prism.
- State the cause of the above phenomenon mentioned by you.
