Dual Nature Of Light Question 26
Question: Assertion : Anode of Coolidge tube gets heated up at time of emission of X-rays. Reason : The anode of Coolidge tube is made of a material of high melting point.
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:
When fast moving electrons strike the atoms of the target, then most of their kinetic energy is used in increasing the thermal agitation of the atoms of the target and only a small part is radiated in the form of X-rays. So the temperature of the target rises.
BETA
