Assume the Heisenberg Uncertainty Principle Can Take the Form $\Delta$ E $\Delta$

question 42

Multiple Choice

Assume the Heisenberg uncertainty principle can take the form $\Delta$ E $\Delta$ t $\ge$ h/4.How accurate can the position of an electron be made if its speed is 5* 106 m/s and if the uncertainty in its energy is 10 eV?

• A)7.7 *10 -18 m
• B)1.3 * 10 -23 m
• C)6.2 * 10 -15 m
• D)1.6 * 10 -10 m
• E)1.2 * 10 -9 m

---

Definitions:

Anxiety

A psychological disorder identified by powerful feelings of unease, worry, or terror that substantially hinder daily life activities.

Mental Health Referral

The process of directing a patient to appropriate psychiatric or psychological services for further evaluation and treatment.

Feeling Alone

A subjective sensation of isolation or detachment from others, regardless of whether one is physically alone.

Nervous and Uneasy

Feelings of anxiety, discomfort, or apprehension, often without a clear cause.