A Particle of Kinetic Energy E₀ Traveling in a Region

question 6

Multiple Choice

A particle of kinetic energy E₀ traveling in a region in which the potential energy is zero is then incident on a potential barrier of height U₀.What is the ratio of E₀/U₀ so that the reflection co-efficient is 75%? (Assume E₀ is much less than the rest mass energy of the particle.)

• A)1.250
• B)0.7500
• C)1.778
• D)1.005
• E)1.063

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Definitions:

Heterozygous

Having two different alleles.

Homozygous

Having two identical alleles.

Monozygotic

Refers to twins, originating from the same egg, and are genetically identical.

Dizygotic

Pertaining to or derived from two separate fertilized eggs, resulting in fraternal twins that are genetically similar to siblings born at different times.