MPSC PYQScienceMagnetism and Electromagnetic Spectrumenglish
Identify the uses of ultraviolet rays from the following ? (a) Helps to form vitamin D in the body. (b) disinfectant (c) In remote control (d) In camera
A.a, b, c
B.(a) and b
C.b, c, d
D.(a) and c
Correct answer: B