A laser produces a beam of 4000-nm light. A shutter allows a pulse of light, 30 ps in duration, to pass. Which of the following is closest to the uncertainty in the energy of a photon in the pulse? ( 
= 1.055 × 10-34 J ∙ s = 6.59 × 10-16 eV ∙ s)
Definitions:
Counteracting
Acting against something to reduce its force or neutralize its effects.
Integrative
Approaches that combine treatments and therapies from both conventional and alternative medicine to care for the whole person.
Herbal Products
Natural products derived from plants that are used for medicinal purposes, either in traditional or modern practices.
Herbal Therapies
Treatment methods that use plants and plant extracts to improve health and treat various medical conditions.
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