If Two Identical Waves with the Same Phase Are Added,the

question 67

Multiple Choice

If two identical waves with the same phase are added,the result is

• A)a wave with the same frequency but twice the amplitude.
• B)a wave with the same amplitude but twice the frequency.
• C)a wave with zero amplitude.
• D)a wave with zero frequency.
• E)This problem cannot be solved without knowing the wavelengths of the two waves.

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Definitions:

Consumer Surplus

Consumer surplus is the difference between the total amount that consumers are willing and able to pay for a good or service and the total amount they actually pay.

Producer Surplus

The gap between the price producers are ready to take for offering a product or service and the actual payment they receive.

Consumer Surplus

The difference between what consumers are willing to pay for a good or service and what they actually pay, representing the benefit consumers receive.

Producer Surplus

The difference between what producers are willing and able to supply a good for and the price they actually receive, measuring the benefit to producers.