In Vacuum,the Components of an EM Wave Are E_y = $\omega$

question 19

Multiple Choice

In vacuum,the components of an EM wave are E_y = 50( V/m ) cos[(5.0 m^-1) x + $\omega$ t], E_x = 0, and E_z = 0.What is the amplitude of the magnetic field for this wave?

• A) 5.00 \(\times\) 10^-7 T
• B) 1.67 \(\times\) 10^-7 T
• C) 2.00 \(\times\) 10^-7 T
• D) 1.50 \(\times\) 10^-6 T
• E) 1.33 \(\times\) 10^-6 T

---

Definitions:

Lithium

A chemical element used as a medication to treat and prevent episodes of mania in people with bipolar disorder.

Psychotherapy

Psychotherapy is a form of treatment for mental health issues that involves talking with a therapist to understand and resolve problematic behaviors, beliefs, feelings, and responses.

Behavior Therapy

A form of psychotherapy that focuses on changing undesirable behaviors through conditioning techniques.

Effectiveness

The degree to which something is successful in producing a desired result or outcome.