Gujarati
11.Dual Nature of Radiation and matter
easy

प्रकाश विद्युतीय पदार्थ का कार्य फलन $3.3 eV$ है। इसकी देहली आवृत्ति का मान है

A

$8 \times {10^4}Hz$

B

$8 \times {10^{56}}Hz$

C

$8 \times {10^{10}}Hz$

D

$8 \times {10^{14}}Hz$

Solution

${\nu _0} = \frac{{{W_0}}}{h} = \frac{{3.3 \times 1.6 \times {{10}^{ – 19}}}}{{6.6 \times {{10}^{ – 34}}}} = 8 \times {10^{14}}Hz$

Standard 12
Physics

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