Transmission Of Heat Question 14
Question: Assertion : Like light radiations, thermal radiations are also electromagnetic radiation. Reason : The thermal radiations require no medium for propagation.
Options:
A) If both assertion and reason are true and the reason is the correct explanation of the assertion.
B) If both assertion and reason are true but reason is not the correct explanation of the assertion.
C) If assertion is true but reason is false.
D) If the assertion and reason both are false.
E) If assertion is false but reason is true.
Show Answer
Answer:
Correct Answer: B
Solution:
Light radiations and thermal radiations both belongs to electromagnetic spectrum. Light radiations belongs to visible region while thermal radiation belongs to infrared region of EM spectrum. Also EM radiations requires no medium for propagation.