Each Photon in a Beam of Light Has an Energy

question 17

Multiple Choice

Each photon in a beam of light has an energy of 4.20 eV.What is the wavelength of this light? (c = 3.00 × 10⁸ m/s,h = 6.626 × 10^-34 J ∙ s,1 eV = 1.60 × 10^-19 J)

• A)321 nm
• B)103 nm
• C)296 nm
• D)412 nm
• E)420 nm

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Definitions:

External Oblique

A muscle located on the lateral part of the abdomen, part of the abdominal wall muscles, that aids in rotation and lateral flexion of the torso.

Internal Oblique

A muscle in the abdominal wall that lies below the external oblique and just above the transverse abdominal muscles, functioning to rotate and turn the trunk.

Lateral Leg Muscles

Muscles located on the outside part of the leg, involved in movement and stabilization of the leg.

Dorsiflexion

The action of lifting the foot upwards towards the shin.