A Proton of Kinetic Energy 10

question 60

Multiple Choice

A proton of kinetic energy 10.0 MeV encounters a rectangular potential energy barrier of height 30.0 MeV and width, .The probability that the proton will tunnel through a barrier is 0.25.What is the width of the barrier?

• A)0.071 fm
• B)0.71 fm
• C)7.1 fm
• D)71 fm

---

Definitions:

Criterion-Related Validity

A measure of how well one variable or set of data predicts an outcome based on information from other variables, used in psychometrics and assessment.

Reference Group

A group to which an individual compares themselves, influencing their attitudes and behavior.

30 Percent

A fraction or proportion representing thirty parts out of a hundred, often used in statistical or descriptive analyses.

70th Percentile

A value below which 70 percent of the data falls, often used in statistical analysis to measure performance.