Visible light consists of rays with wavelengths in the approximate range of:

4000 ˚ A

7500 ˚ A

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4 \times 10^{- 3} c m

7.5 \times 10^{- 4} c m

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4000 n m

7500 n m

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4 \times 10^{- 5} m

7.5 \times 10^{- 6} m

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Solution

The correct option is C $4000 ˚ A$ to $7500 ˚ A$
Visible light consists of rays with wavelengths in the approximate range of 4000 $˚ A$ to 7500 $˚ A$ . This corresponds to 4 $\times 10^{- 7}$ m to 7.5 $\times 10^{- 7}$ m . This also corresponds to 4 $\times 10^{- 5}$ cm to 7.5 $\times 10^{- 5}$ cm. This also corresponds to 400 nm to 750 nm.

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Visible light consists of rays with wavelengths in the approximate range of:

The correct option is C 4000˚A to 7500˚AVisible light consists of rays with wavelengths in the approximate range of 4000 ˚A to 7500 ˚A. This corresponds to 4 ×10−7 m to 7.5 ×10−7 m . This also corresponds to 4 ×10−5 cm to 7.5 ×10−5 cm. This also corresponds to 400 nm to 750 nm.