Threshold wavelength photoelectric effect on sodium i s5000overset -o-A- Its work is

Question

Toppr Admin · Accepted Answer

Correct option is C- -4-times 10-19- J-As we know-W-0-dfrac -hc-lambda-0-dfrac -6-625-times 10-34-times-160-3-times-160-10-8-5000-times-160-10-10-J-4-times-160-10-19-J-

Threshold wavelength for photoelectric effect on sodium i s$$5000\overset {o}{A}$$. Its work function is

Correct option is C. $$4\times 10^{-19}\ J$$
As we know,
$$W_0=\dfrac {hc}{\lambda_0}=\dfrac {6.625\times 10^{-34}\times 3\times 10^8}{5000\times 10^{-10}}J=4\times 10^{-19}J$$

Threshold wavelength for photoelectric effect on sodium i s$$5000\overset {o}{A}$$. Its work function is

Correct option is C. $$4\times 10^{-19}\ J$$As we know,$$W_0=\dfrac {hc}{\lambda_0}=\dfrac {6.625\times 10^{-34}\times 3\times 10^8}{5000\times 10^{-10}}J=4\times 10^{-19}J$$

Correct option is C. $$4\times 10^{-19}\ J$$
As we know,
$$W_0=\dfrac {hc}{\lambda_0}=\dfrac {6.625\times 10^{-34}\times 3\times 10^8}{5000\times 10^{-10}}J=4\times 10^{-19}J$$