Match List I (Electromagnetic radiation) with List II (Approximate wavelength in metre) and select the correct answer:

List-I	List-II
a. Infrared radiation	1. 10-12
b. X-rays	2. 10-5
c. Ultraviolet radiation	3. 10-10
d. Gamma rays	4. 10-8

A. a-2, b-3, c-4, d-1

B. a-1, b-4, c-3, d-2

C. a-1, b-3, c-4, d-2

D. a-2, b-4, c-3, d-1

Answer: Option A