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प्रश्न
The electromagnetic radiation which are useful in night photography is ______.
विकल्प
infrared rays
ultraviolet rays
visible light
X-rays
MCQ
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उत्तर
The electromagnetic radiation which are useful in night photography is infrared rays.
Explanation:
Infrared rays are useful in night photography because hot objects emit them, and they are not easily scattered by fog or smoke. Ultraviolet rays, visible light and X-rays are not used for this purpose.
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