MCQEasy1 mark
1
Choose the correct answers to the questions from the given options. (Do not copy the questions, write the correct answers only.)
When a blackened bulb thermometer is moved beyond the red region of the visible spectrum, there is a rapid rise in the temperature. This is due to the presence of : (a) Infrared radiations (b) Ultraviolet radiations (c) X-rays (d) Radio waves
Topic: Infrared radiation
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Pick an option and check your answer. The full worked answer is below either way.
Answer
Exam answer
(a) Infrared radiations.
Explanation
Infrared radiation lies beyond the red end and has a strong heating effect.
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