Sinusoidal Radiation: True or False?

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Homework Help Overview

The discussion revolves around the properties of sinusoidal radiation, specifically evaluating a list of statements to determine their validity. Participants are analyzing concepts related to electromagnetic radiation and oscillating charges.

Discussion Character

  • Exploratory, Assumption checking, Conceptual clarification

Approaches and Questions Raised

  • Participants are attempting to identify which statements about sinusoidal radiation are true or false. There is a focus on understanding the relationships between electric and magnetic fields, the behavior of radiation, and the nature of oscillating charges.

Discussion Status

The discussion is ongoing, with participants questioning the correctness of specific statements and seeking clarification on why certain answers may be marked incorrect. Some guidance has been offered regarding the validity of specific options, but no consensus has been reached.

Contextual Notes

Participants are operating under the constraints of homework rules, emphasizing the importance of reasoning and understanding rather than simply providing answers. There is a mention of a computer marking responses, indicating a structured assessment context.

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Homework Statement



Which of the following are true for sinusoidal radiation?

1)The radiation pattern does not change with distance.
2)The radiation travels perpendicular to the electric field.
3)Oscillating charges are not accelerating.
4)The electric field and the magnetic field have the same magnitude at the same point in space.
5)The radiation pattern does not change with time.
6)The radiation travels perpendicular to the magnetic field.
7)The electric field is perpendicular to the magnetic field.
8)The propagation direction of the radiation can be determined from the right hand rule.
9)The source of the radiation is oscillating charges.



The Attempt at a Solution



I chose (2), (4), (7), (8) and it was marked wrong. Is (9) correct?
 
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One of (2), (4), (7), (8) is not correct. Which one? Also, you missed a correct answer in one of (1), (3), (5), (6).
 
(4), (6), (7), (8), (9)
These are the correct ones right?
 
xzibition8612 said:
(4), (6), (7), (8), (9)
These are the correct ones right?
Why do you think each of them is correct?
Why do you think each of the other ones is incorrect?
 
it's good thanks. The computer marked them right. Thanks again.
 
xzibition8612 said:
it's good thanks. The computer marked them right. Thanks again.
So was 4, 6, 7, 8, 9 correct?
 
kuhn2 said:
So was 4, 6, 7, 8, 9 correct?
What do you think and why? We just don't give answers in this forum.
 

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