Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Electromagnetic Waves

Question:

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) >1 m

Choose the correct answer from the options given below:

Options:

(A) and (D) only

(B) only

(C) and (E) only

(C) only

Correct Answer:

(B) only

Explanation:

The correct answer is Option (2) → (B) only