If a Monochromatic Light Beam with Quantum Energy Value of 4.0

question 1

Multiple Choice

If a monochromatic light beam with quantum energy value of 4.0 eV is incident upon a photocell where the work function of the target metal is 1.60 eV,what is the maximum kinetic energy of ejected electrons?

• A) 4.6 eV
• B) 4.8 eV
• C) 2.4 eV
• D) 1.4 eV

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Definitions:

Choledochotomy

A surgical incision into the common bile duct, often performed to remove gallstones or to relieve bile duct obstruction.

Catabolism

The breakdown of complex molecules in living organisms to form simpler ones, together with the release of energy; destructive metabolism.

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A part of the gastrointestinal tract between the stomach and large intestine, where most of the end absorption of nutrients takes place.

Jejunum

The middle section of the small intestine in humans and most mammals, lying between the ileum and the duodenum.