If One Wants to Design a Device That Will Detect

question 222

Multiple Choice

If one wants to design a device that will detect animals at night by the radiation they give off, even if the night is totally dark, to what wavelength range should the device be made sensitive?

• A) ultraviolet
• B) visual, like the human eye
• C) No device can detect objects on a totally dark night.
• D) infrared

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Behaviorally Related Sales Objectives

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