Dual Nature Of Light Question 30
Question: Assertion : Soft and hard X-rays differ in frequency as well as velocity. Reason : The penetrating power of hard X-rays is more than the penetrating power of soft X-rays.
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: E
Solution:
Soft and hard X-rays differ only in frequency. But both types of X-ray travel with speed of light.
BETA
