Multiple Choice
UV-rays from sunlight may cause sunburn.However,infrared lamps are good for relieving muscle pain.Which of the following is a correct statement about UV-rays?
A) UV-rays have more energy than visible rays.
B) UV-rays have less energy than infrared rays.
C) UV-rays have lower frequency than infrared rays.
D) UV-rays have longer wavelength than visible rays.
Correct Answer:
Verified
Correct Answer:
Verified
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