MCQ
The energy of a photon is calculated by
- ✓$E = h\nu $
- B$h = E\nu $
- C$h = \frac{E}{\nu }$
- D$E = \frac{h}{\nu }$
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$(K_f$ for water $= 1.86\, K \,kg\, mol^{-1},$ and molar mass of ethylene glycol $= 62\, g\, mol^{-1})$