When the Electron in a Hydrogen Atom Falls from the N

question 59

Multiple Choice

When the electron in a hydrogen atom falls from the n = 3 excited energy level to the ground state energy level, a photon with wavelength $\lambda$ is emitted.An electron having this same wavelength would have a velocity of

• A)7.10 × 10³ m/s
• B)2.93 × 10⁶ m/s
• C)2.93 × 10³ m/s
• D)7.10 m/s
• E)3.00 × 10⁸ m/s

---

Definitions:

Variable Manuf. Overhead

Costs that vary with the level of production, such as indirect materials and utilities used in manufacturing.

Variable Overhead Spending Variance

The difference between actual variable overhead costs and the budgeted costs for the actual level of activity, indicating overspending or underspending.

Labour Efficiency Variance

The difference between the budgeted labor hours or costs and the actual labor hours or costs incurred.