Advertisements
Advertisements
Question
The wavelengths of violet and red light are 4000 Å and 8000 Å respectively. Which of the two has the higher frequency?
Advertisements
Solution
A higher frequency is associated with a lower wavelength. Thus, 4000 Å wavelength violet light has a greater frequency.
APPEARS IN
RELATED QUESTIONS
Define the term dispersion of white light.
What happens when a ray of ordinary light is passed through a triangular glass prism?
Name the process which is involved in the formation of a rainbow.
Which of the following colour of white light has the least wavelength?
(a) red
(b) orange
(c) violet
(d) blue
State the speed of light in (a) air, (b) water, and (c) glass
Out of air and glass, which is optically rarer? Give reason.
Differentiate between a glass slab and a glass prism.
Sunlight entering through a narrow aperture falls on a prism. Draw a neat labelled ray diagram to show the formation of the spectrum on a screen. Name the colour obtained nearer the base of the prism.
The splitting of white light in to seven colors is called ______.
What is dispersion? Explain in detail.
