state gov BSSC Laboratory Assistant Mock Test Series 2025 Physics Electromagnetic Waves Electromagnetic Spectrum
The frequency of an electromagnetic (EM) wave is 6 × 1014 Hz. The wavelength of the EM wave is _______, and it falls in the range _______.
1
500 nm, visible rays
2
50 nm, UV rays
3
500 mm, infrared waves
4
0.5 mm, microwaves