If the two metals A and B are exposed to radiation of wavelength 350 mm. The work functions of metals A and B are 4.8 eV and 2.2 eV. Then choose the correct option.

Question

If the two metals A and B are exposed to radiation of wavelength 350 mm. The work functions of metals A and B are 4.8 eV and 2.2 eV. Then choose the correct option. (A) Both metals A and B will emit photo-electrons (B) Metal B will not emit photo-electrons (C) Both metals A and B will not emit photo-electrons (D) Metal A will not emit photo-electrons

Tardigrade Admin · Accepted Answer

Correct answer is (d) Metal A will not emit photo-electrons

Q. If the two metals A and B are exposed to radiation of wavelength 350mm. The work functions of metals A and B are 4.8eV and 2.2eV. Then choose the correct option.

Both metals A and B will emit photo-electrons

Metal B will not emit photo-electrons

Both metals A and B will not emit photo-electrons

Metal A will not emit photo-electrons

Correct answer is (d) Metal A will not emit photo-electrons

Q. If the two metals $A$ and $B$ are exposed to radiation of wavelength $350 mm$ . The work functions of metals $A$ and $B$ are $4.8 e V$ and $2.2 e V$ . Then choose the correct option.