Which type of wave interaction is shown in the diagram?
wave A
MAAAAA
wave B
MAAAA
wave A + B
PAMA
A. Destructive interference
B. Diffraction subtraction
C. Diffraction gradient
D. Constructive interference
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Ответ:
Constructive interference
Explanation: Just took the test
Ответ:
Explanation:
Given:
Charge = q
Electric field strength =![E_o](/tpl/images/0512/1155/28437.png)
weight of the droplet = mg
The charge is suspended motionless. This is because the electric force on the charge is balanced by the weight of the droplet.
electric force on charged droplet,![F=qE_o](/tpl/images/0512/1155/8c8bc.png)
This is balanced by the weight,![mg](/tpl/images/0512/1155/c761f.png)
Equating the two: