Question
Physics Question on Waves
Given below are two statement : one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A : EM waves used for optical communication have longer wavelengths than that of microwave, employed in Radar technology.
Reason R : Infrared EM waves are more energetic than microwaves, (used in Radar)
In the light of given statements, choose the correct answer from the options given below:
A
Both A and R true and R is the correct explanation of A
B
Both A and R true but R is NOT the correct explanation of A
C
A is true but R is false
D
A is false but R is true
Answer
A is false but R is true
Explanation
Solution
The correct option is(D): A is false but R is true