A) it allows both infrared and visible light but cuts off ultraviolet
B) it allows infrared and cuts off shorter wavelengths
C) it cuts off both visible light and infrared
D) it allows only visible light and cuts off infrared
Correct Answer: D
Solution :
As we know that infrared radiation produce heating. A fire screen does not allow the infrared, radiation but allow the visible light, therefore we can see the fire.You need to login to perform this action.
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