Physics And Measurement Question 12
Question: Assertion: Radar is used to detect an aeroplane in the sky Reason: Radar works on the principle of reflection of waves.
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: A
Solution:
As radar is most accurate instrument used to detect aeroplane in sky based on principle of reflection of radio waves.
BETA
