Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test General Science Physics Optics
When a soap film on the water is seen in the daytime, it shows beautiful colors. This phenomenon is due to
1
interference of light
2
refraction of light
3
polarization of light
4
More than one of the above
5
None of the above