
Which of the following colours of light has the lowest frequency?
A) Yellow
B) Violet
C) Orange
D) Blue
E) Green
Answer
482.7k+ views
Hint: All of the colours that we can see are a part of the visible spectrum of light. The visible spectrum of light has frequencies ranging from .
Complete answer:
The visible light spectrum is the segment of the electromagnetic spectrum that the human eye can view. More simply, this range of wavelengths or the corresponding range of frequencies is called visible light. Typically, the human eye can detect wavelengths from 380 to 700 nanometres. Different colours have different frequencies which is why our eyes can detect them in the form of different colours. The frequency bands of different colors are as follows:
We can see that the colour Orange has the lowest frequency among the choices given. Hence the correct is option (C).
Note: We can also answer this question by remembering the sequence of colours which is often remembered as ‘VIBGYOR’ with each letter corresponding to the initial letter of each colour. ‘VIBGYOR’ is written in the order of decreasing frequency so, among the options, we can see that Orange has the lowest frequency while in general, Red has the lowest frequency. The colour ranges given in the solution are approximate and there is no fixed boundary but the colours rather continuously mix into each other rather than changes in a sharp manner.
Complete answer:
The visible light spectrum is the segment of the electromagnetic spectrum that the human eye can view. More simply, this range of wavelengths or the corresponding range of frequencies is called visible light. Typically, the human eye can detect wavelengths from 380 to 700 nanometres. Different colours have different frequencies which is why our eyes can detect them in the form of different colours. The frequency bands of different colors are as follows:
Color | Frequency |
Violet | 670–790 THz |
Blue | 620–670 THz |
Cyan | 600–620 THz |
Green | 530–600 THz |
Yellow | 510–530 THz |
Orange | 480–510 THz |
Red | 400–480 THz |
We can see that the colour Orange has the lowest frequency among the choices given. Hence the correct is option (C).
Note: We can also answer this question by remembering the sequence of colours which is often remembered as ‘VIBGYOR’ with each letter corresponding to the initial letter of each colour. ‘VIBGYOR’ is written in the order of decreasing frequency so, among the options, we can see that Orange has the lowest frequency while in general, Red has the lowest frequency. The colour ranges given in the solution are approximate and there is no fixed boundary but the colours rather continuously mix into each other rather than changes in a sharp manner.
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