CUET Preparation Today
CUET
Physics
Dual Nature of Radiation and Matter
a
b
c
d
Maximum speed of emitted electron is
$V_{max} = \sqrt{2\frac {h\nu - \phi}{m}}$
$\Rightarrow \frac{V_1}{V_2} = \sqrt{\frac{1 - 0.5}{2.5 - 0.5}} = \frac{1}{2}$
