state gov BSSC Laboratory Assistant Mock Test Series 2025 Physics Electromagnetic Waves Electromagnetic Spectrum
Which of the following statements is/are correct?
(a) Infrared waves are produced by hot bodies.
(b) Sun is an important source of ultraviolet light.
1
Only (b)
2
Neither (a) nor (b)
3
Both (a) and (b)
4
Only (a)