A. Radiowave
B. x-ray
C. Ultra-violet ray
D. Infra-red ray
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A. Radiowave
B. x-ray
C. Ultra-violet ray
D. Infra-red ray
Answer: C. Ultraviolet ray Ultra-violet ray has the longest wavelength.
Answer: C. Ultraviolet ray
See lessUltra-violet ray has the longest wavelength.