What will be the energy of one photon of radiation whose frequency is 5 × 1014 Hz?

Question

What will be the energy of one photon of radiation whose frequency is 5 × 1014 Hz? (A) 199.51 kJ (B) 3.3 × 10-19 J (C) 6.626 × 10-34 J (D) 2.31 × 105 J

Tardigrade Admin · Accepted Answer

Energy of one photon is given by the expression, E=h upsilon E=6.626×10-34 J s×5×1014 s-1 =3.313×10-19J

Q. What will be the energy of one photon of radiation whose frequency is $5 \times 1 0^{14} Hz$ ?

$199.51 k J$

$3.3 \times 1 0^{- 19} J$

$6.626 \times 1 0^{- 34} J$

$2.31 \times 1 0^{5} J$

Energy of one photon is given by the expression, $E = h υ$
$E = 6.626 \times 1 0^{- 34} J s \times 5 \times 1 0^{14} s^{- 1}$
$= 3.313 \times 1 0^{- 19} J$

Q. What will be the energy of one photon of radiation whose frequency is 5×1014Hz?

199.51kJ

3.3×10−19J

6.626×10−34J

2.31×105J