Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test General Science Physics Optics
The bluish colour of water in deep sea is due to:
1
scattering of light
2
refraction of light
3
dispersion of light
4
More than one of the above
5
None of the above