Physics And Measurement Question 11
Question: Assertion: Now a days a standard metre is defined as in terms of the wavelength of light. Reason: Light has no relation with length.
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: C
Solution:
Because representation of standard metre in terms of wavelength of light is most accurate.
