wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

In the spectrum of white light, how many colours have a wavelength less than that of yellow colour?


A

2

No worries! We‘ve got your back. Try BYJU‘S free classes today!
B

4

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C

3

No worries! We‘ve got your back. Try BYJU‘S free classes today!
D

5

No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is B

4


White light is made up of seven constituent colours. These colours in the increasing order of wavelengths are violet, indigo, blue, green, yellow, orange, and red.
Clearly, 4 colours have a wavelength less than yellow.


flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Electromagnetic Spectrum
PHYSICS
Watch in App
Join BYJU'S Learning Program
CrossIcon