A Laser Emits a 5

question 14

Multiple Choice

A laser emits a 5.0 × 10³-J pulse of light that has a wavelength of 480 nm.Determine the number of photons in the pulse.

• A)5.2 × 10¹⁶
• B)2.5 × 10¹⁹
• C)1.2 × 10²²
• D)3.1 × 10²²
• E)8.1 × 10²⁴

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Definitions:

Somatosensory Cortex

A part of the brain that processes sensory information from the body, including touch, temperature, and pain sensations.

Parietal Lobes

A region of the cerebral cortex involved in processing sensory information regarding the location of parts of the body as well as interpreting visual information.

Hemispheric Lateralization

The specialization of functions in the left and right hemispheres of the brain, such as language in the left and spatial ability in the right.

Magnetic Resonance Imaging

A medical imaging technique that uses a magnetic field and radio waves to create detailed images of the organs and tissues within the body.