What Is the Momentum (In SI Units)of a Photon of Wavelength

question 139

Multiple Choice

What is the momentum (in SI units) of a photon of wavelength $\lambda$ = 480 nm? (Planck's constant h = 6.626 $\times$ 10^-34 J·s)

• A)7.24 \(\times\) 10^-27 kg m/s
• B)6.21 \(\times\) 10^-27 kg m/s
• C)4.14 \(\times\) 10^-27 kg m/s
• D)2.76 \(\times\) 10^-27 kg m/s
• E)1.38 \(\times\) 10^-27 kg m/s

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Definitions:

Soluble

The ability of a substance to dissolve in a solvent, forming a homogenous mixture at a specified temperature and pressure.

2-Butanone

A simple ketone with the formula CH3C(O)CH2CH3, also known as methyl ethyl ketone (MEK), used as a solvent.

Transformation

The process of changing the structure, composition, or form of a molecule or substance through chemical reactions.

Methylbutan-1-ol

A primary alcohol derived from butane by replacing one hydrogen atom with a hydroxyl group at the first carbon.