Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test General Science Physics Optics
Which of the following natural phenomenon involves Dispersion of light?
1
Blue colour of the sky
2
Red colour of the sky at sunset
3
Rainbow formation
4
More than one of the above.
5
None of the above