Advertisements
Advertisements
प्रश्न
The splitting up of white light into seven colours on passing through a glass prism is called ______.
विकल्प
refraction
deflection
dispersion
scattering
reflection
Advertisements
उत्तर
The splitting up of white light into seven colours on passing through a glass prism is called dispersion.
संबंधित प्रश्न
State the cause of dispersion of white light passing through a glass prism. How did Newton show that white light of sun contains seven colours using two identical glass prisms. Draw a ray diagram to show the path of light when two identical glass prisms are arranged together in inverted position with respect to each other and a narrow beam of white light is allowed to fall obliquely on one of the focus of the first prism.
In the formation of spectrum of white light by a prism:
which colour is deviated most?
The colour of white light which is deviated the maximum on passing through the glass prism is:
(a) blue
(b) indigo
(c) red
(d) orange
A ray of light moving from an optically rarer to a denser medium
What do you understand by the term spectrum? Name the various colours present in the spectrum of sunlight.
Refer to fig
(i) Name the lens L.
(ii) What are the points O, O' called?
(iii) Complete the diagram to form the image of the object AB.
(iv) Write three characteristics of the image.
A wave has wavelength 50Å of State its one use.
State two properties of ultraviolet radiation which differ from visible light.
What is dispersion? Explain in detail.
State True or False:
"Wavelength of red light is close to 700 nm.”
