Advertisements
Advertisements
प्रश्न
Draw a ray diagram to show the dispersion of white light.
Draw a ray diagram to show the dispersion of white light by a glass prism.
Advertisements
उत्तर
APPEARS IN
संबंधित प्रश्न
Make two diagrams to explain refraction and dispersion.
The speed of light in air or vacuum is
A ray of light moving from an optically rarer to a denser medium
A wave has wavelength 50Å of State its one use.
Differentiate between a glass slab and a glass prism.
State two properties of ultra-violet radiations which differ from visible light.
The dispersive powers of flint glass and crown glass are 0.053 and 0.034, respectively and their mean refractive indices are 1.68 and 1.53 for white light. Calculate the angle of the flint glass prism required to form an achromatic combination with a crown glass prism of refracting angle 4°:
In the following diagram showing dispersion of white light by a glass prism, the colours 'P' and 'Q’ respectively are:
Observe the given diagram and answer the questions:
- Name the process shown in the figure.
- Name the colour that deviates the most.
- Name the colour that deviates the least.
- Name any one phenomenon in nature which is based on the above process.
- Define ‘spectrum’.
