Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test General Science Physics Optics
A photoelectric cell is a device which
1
converts light energy into electric energy
2
converts electric energy into light energy
3
stores light energy
4
More than one of the above
5
None of the above