Optics Question 269
Question: Pick out the longest wavelength from the following types of radiations
[CBSE PMT 1990]
Options:
A) Blue light
B) g-rays
C) X-rays
D) Red light
Show Answer
Answer:
Correct Answer: D
[CBSE PMT 1990]
A) Blue light
B) g-rays
C) X-rays
D) Red light
Correct Answer: D
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