The Electric Fields Arriving at a Point P from Three $\omega$

question 8

Multiple Choice

The electric fields arriving at a point P from three coherent sources are described by E1 = E0 sin $\omega$ t, E2 = E0 sin ( $\omega$ t + $\pi$ /4) and E3 = E0 sin ( $\omega$ t + $\pi$ /2) .Assume the resultant field is represented by Ep = ER sin ( $\omega$ t + $\alpha$ ) .The amplitude of the resultant wave at P is:

• A)E0.
• B)1.5E0.
• C)1.7E0.
• D)2.4E0.
• E)2.9E0.

---

Definitions:

Price Elasticity

A measure of the sensitivity of demand or supply to changes in price, indicating how the quantity demanded or supplied responds to price changes.

Total Revenue

The entire amount of income generated by the sale of goods or services before any expenses are deducted.

Price Elasticity

A measure of how much the quantity demanded or supplied of a good responds to a change in its price.

Oysters

Oysters are a type of shellfish that are consumed as a delicacy around the world, known for their unique taste and nutritional benefits.