ESS
Grade-9
Easy
Question
The wavelength of light becomes _________ in red shift.
- Shorter
- Longer
- Red
- Green
Hint:
The wavelength increases from violet to red.
The correct answer is: Longer
- A redshift is an increase in the wavelength.
- Therefore, the wavelength of light becomes longer in red shift.
- So, the correct option is b.
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