Frequency, wavelength or wave number of a radiation (c = frequency x wavelength)

1. A.
   $3.0 \times 10^{14}\,\text{Hz}$
2. B.
   $4.0 \times 10^{14}\,\text{Hz}$
3. C.
   $7.5 \times 10^{14}\,\text{Hz}$
4. D.
   $9.0 \times 10^{14}\,\text{Hz}$

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1. A.
   $2.5 \times 10^6\,\text{m}^{-1}$
2. B.
   $4.0 \times 10^6\,\text{m}^{-1}$
3. C.
   $6.5 \times 10^6\,\text{m}^{-1}$
4. D.
   $8.0 \times 10^6\,\text{m}^{-1}$

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1. A.
   $6.82\times10^{14}\,\text{Hz}$
2. B.
   $7.5\times10^{14}\,\text{Hz}$
3. C.
   $4.0\times10^{14}\,\text{Hz}$
4. D.
   $5.26\times10^{14}\,\text{Hz}$

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1. A.
   $2 \times 10^{14}\,\text{Hz}$
2. B.
   $4 \times 10^{14}\,\text{Hz}$
3. C.
   $6 \times 10^{15}\,\text{Hz}$
4. D.
   $8 \times 10^{15}\,\text{Hz}$

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1. A.
   $4.0 \times 10^{14}$ Hz
2. B.
   $5.4 \times 10^{14}$ Hz
3. C.
   $7.5 \times 10^{14}$ Hz
4. D.
   $4.7 \times 10^{14}$ Hz

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