Advertisements
Advertisements
Question
What do you understand by the term spectrum? Name the various colours present in the spectrum of sunlight.
Advertisements
Solution
Spectrum is the band of colours obtained on a screen when white light passes through a prism and splits into its constituent colours. The colours of the spectrum are violet (V), indigo (1), blue (B), green (G), yellow (Y), orange (O), and red (R).
The order of the spectrum is VIBGYOR.
APPEARS IN
RELATED QUESTIONS
Name the process which is involved in the formation of a rainbow.
Explain the cause of dispersion of white light through a prism.
Complete the ray diagram given below to show the nature of light produced on the screen.
If white light is used in same way what change is expected in the emergent beam?
Write the range of wavelength of the visible spectrum.
Write the range of wavelength of the infrared spectrum.
Which one of the following is involved for the formation of rainbow in the sky?
______ colour is deviated the least in the spectrum of white light obtained with a glass prism.
State the colour which bends:
- The most.
- The least while passing through a glass prism.
Make a rainbow
Try to make your own rainbow. You can try this project in the morning or in the evening. Stand with your back towards the Sun. Take a hosepipe or a water pipe used in the garden. Make a fine spray in front of you. You can see different colours of rainbow in the spray.
