Question

Friends please help me out ✌: Who discovered photoelectric effect and which device is used to find photoelectric effect?

Answer 1

Answer:

$\huge\underline\frak\blue{\fbox{Einstein}}$

$\bf \huge \fbox \red{ \: \: \: Photodiode\: \: \: \: }$

Answer 2

$\huge\red{\underline{{\bf A}}}$$\huge\pink{\underline{{\bf N}}}$$\huge\green{\underline{{\bf S}}}$$\huge\purple{\underline{{\bf W}}}$$\huge\orange{\underline{{\bf E}}}$$\huge\blue{\underline{{\bf R}}}$

✏️Heinrich Rudolf Hertz..........✍️

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Bio barha aacha hai par...kisnay begh diya aapko...≧∇≦