Question
Physics Question on Electromagnetic Spectrum
Following are the wavelength of some constituents of the electromagnetic spectrum. The wavelength range that are used in Radar system for Aircraft navigation is:
(A) 1 mm to 700 nm
(B) 0.1 m to 1 mm
(C) 400 nm to 1 nm
(D) < 10-3 nm
(E) > 1m
Choose the correct answer from the options given below:
A
(A) and (D) only
B
(B) only
C
(C) and (E) only
D
(C) only
Answer
(B) only
Explanation
Solution
The correct option is (B): (B) only