multiple choice please answer all thank you!!21.) A 40-cm long string, with one end clamped and the other free to move transversely, is vibrating in its fundamental standing wave mode. If the wave speed is 320 cm/s the frequency is:16 Hz4 Hz8 Hz2 Hz 22.) Which one of the following statements is true concerning resistors connected in parallel within an electric circuit?The potential difference across each of the resistors is the same.The current through each of the resistors is the same.The resistance of each of the resistors is the same.The resistivity of each of the resistors is the same. 23.) Consider the field lines shown in the drawing. Which one of the following statements concerning this situation is true? (SEE ATTACHED IMAGE) A is a positively charged particle and B is negatively charged.A and B are both negatively charged.A and B are both positively charged.B is a positively charged particle and A is negatively charged. 24.) A standing wave is set up on a taut string. Which of the following are not observed to move along the string?antinodesnodes and antinodesnodesNodes and antinodes can be observed switching positions at the natural frequency of the string. 25.) Which one of the following statements is true for a curved mirror?A mirror that is more curved has a larger focal length than that for a less curved mirror.A mirror that is more curved has the same focal length than that for a less curved mirror.None of the choices mentionedA mirror that is more curved has a smaller focal length than that for a less curved mirror.

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Answered: 21.) A 40-cm long string, with one end…

College Physics

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ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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multiple choice please answer all thank you!!

21.) A 40-cm long string, with one end clamped and the other free to move transversely, is vibrating in its fundamental standing wave mode. If the wave speed is 320 cm/s the frequency is:

16 Hz
4 Hz
8 Hz
2 Hz

22.) Which one of the following statements is true concerning resistors connected in parallel within an electric circuit?

The potential difference across each of the resistors is the same.
The current through each of the resistors is the same.
The resistance of each of the resistors is the same.
The resistivity of each of the resistors is the same.

23.) Consider the field lines shown in the drawing. Which one of the following statements concerning this situation is true? (SEE ATTACHED IMAGE)

A is a positively charged particle and B is negatively charged.
A and B are both negatively charged.
A and B are both positively charged.
B is a positively charged particle and A is negatively charged.

24.) A standing wave is set up on a taut string. Which of the following are not observed to move along the string?

antinodes
nodes and antinodes
nodes
Nodes and antinodes can be observed switching positions at the natural frequency of the string.

25.) Which one of the following statements is true for a curved mirror?

A mirror that is more curved has a larger focal length than that for a less curved mirror.
A mirror that is more curved has the same focal length than that for a less curved mirror.
None of the choices mentioned
A mirror that is more curved has a smaller focal length than that for a less curved mirror.

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