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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