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GUJCET · Physics · Dual Nature of Radiation and Matter

સિઝીયમની થ્રેશોલ્ડ આવૃત્તિ \(5.16 \times 10^{14}\) Hz છે, તો તેનું કાર્યવિધેય ___________ ev છે.

  1. A 4.12
  2. B 2.14
  3. C 1.12
  4. D 1.14
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Answer & Solution

Correct Answer

(B) 2.14

Step-by-step Solution

Detailed explanation

B
કાર્યવિધેય
\(\phi_0=h v_0\)
\(\phi_0=\frac{6.625 \times 10^{-34} \times 5.16 \times 10^{14}}{1.6 \times 10^{-19}}\)
\(\phi_0=2.136 \mathrm{eV}\)
\(\phi_0=2.14 \mathrm{eV}\)
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