C165 - Unit 2 Physics - Lessons 23-
30: Quiz- Questions and Answers
100% PASS
IN WHICH SITUATION CAN A SOUND WAVE PROPAGATE?
IF THE MEDIUM IS IN A VACUUM
IF THE MEDIUM IS AIR
IF THE MEDIUM IS WATER
IF PARTICLES OF A MEDIUM ARE PRESENT - CORRECT ANSWER-IF
PARTICLES OF A MEDIUM ARE PRESENT
EXPLANATION:
,A SOUND WAVE CAN ONLY PROPAGATE IF THERE ARE PARTICLES
PRESENT. SOUND WAVES CANNOT TRAVEL IN A VACUUM.
WHAT ACCURATELY DESCRIBES A SOUND WAVE?
IT IS BOTH THE MOTION OF PARTICLES AND A DISTURBANCE
AWAY FROM THE SOURCE OF SOUND.
IT IS A DISTURBANCE THAT MOVES THROUGH A MEDIUM AWAY
FROM THE SOURCE OF SOUND.
IT IS A TRANSVERSE WAVE.
IT IS THE MOTION OF PARTICLES OF THE MEDIUM AWAY FROM
THE SOURCE OF SOUND. - CORRECT ANSWER-IT IS A DISTURBANCE
THAT MOVES THROUGH A MEDIUM AWAY FROM THE SOURCE OF
SOUND.
EXPLANATION:
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protected by copyright law
,A SOUND WAVE IS A DISTURBANCE THAT MOVES THROUGH A
MEDIUM AWAY FROM THE SOURCE OF SOUND.
THE HORIZONTAL DISTANCE AFTER WHICH A WAVE REPEATS
ITSELF IN SPACE IS CALLED THE
WAVELENGTH.
AMPLITUDE. - CORRECT ANSWER-WAVELENGTH
EXPLANATION:
THE HORIZONTAL DISTANCE AFTER WHICH A WAVE REPEATS
ITSELF IN SPACE IS CALLED THE WAVELENGTH.
YOU AND A FRIEND ARE HOLDING A COILED SPRING STRETCHED
BETWEEN THE TWO OF YOU. IF YOU PUSH YOUR END TOWARD
YOUR FRIEND AND THEN PULL IT BACK TOWARD YOU, A _____
WAVE WILL BE CREATED IN THE COILED SPRING.
LONGITUDINAL
, TRANSVERSE - CORRECT ANSWER-LONGITUDINAL
EXPLANATION:
A LONGITUDINAL WAVE WILL BE CREATED.
REGIONS WHERE THE PARTICLES OF A MEDIUM ARE FARTHER
APART ARE CALLED
COMPRESSIONS.
EXPANSIONS. - CORRECT ANSWER-EXPANSIONS.
EXPLANATION:
REGIONS WHERE THE PARTICLES OF A MEDIUM ARE FARTHER
APART ARE CALLED EXPANSIONS.
A SOUND WAVE IS A PROPAGATION OF
WAVELENGTHS AND COMPRESSIONS.
WAVELENGTHS AND EXPANSIONS.
© 2026 Copyright. All Rights Reserved. This document is
protected by copyright law
30: Quiz- Questions and Answers
100% PASS
IN WHICH SITUATION CAN A SOUND WAVE PROPAGATE?
IF THE MEDIUM IS IN A VACUUM
IF THE MEDIUM IS AIR
IF THE MEDIUM IS WATER
IF PARTICLES OF A MEDIUM ARE PRESENT - CORRECT ANSWER-IF
PARTICLES OF A MEDIUM ARE PRESENT
EXPLANATION:
,A SOUND WAVE CAN ONLY PROPAGATE IF THERE ARE PARTICLES
PRESENT. SOUND WAVES CANNOT TRAVEL IN A VACUUM.
WHAT ACCURATELY DESCRIBES A SOUND WAVE?
IT IS BOTH THE MOTION OF PARTICLES AND A DISTURBANCE
AWAY FROM THE SOURCE OF SOUND.
IT IS A DISTURBANCE THAT MOVES THROUGH A MEDIUM AWAY
FROM THE SOURCE OF SOUND.
IT IS A TRANSVERSE WAVE.
IT IS THE MOTION OF PARTICLES OF THE MEDIUM AWAY FROM
THE SOURCE OF SOUND. - CORRECT ANSWER-IT IS A DISTURBANCE
THAT MOVES THROUGH A MEDIUM AWAY FROM THE SOURCE OF
SOUND.
EXPLANATION:
© 2026 Copyright. All Rights Reserved. This document is
protected by copyright law
,A SOUND WAVE IS A DISTURBANCE THAT MOVES THROUGH A
MEDIUM AWAY FROM THE SOURCE OF SOUND.
THE HORIZONTAL DISTANCE AFTER WHICH A WAVE REPEATS
ITSELF IN SPACE IS CALLED THE
WAVELENGTH.
AMPLITUDE. - CORRECT ANSWER-WAVELENGTH
EXPLANATION:
THE HORIZONTAL DISTANCE AFTER WHICH A WAVE REPEATS
ITSELF IN SPACE IS CALLED THE WAVELENGTH.
YOU AND A FRIEND ARE HOLDING A COILED SPRING STRETCHED
BETWEEN THE TWO OF YOU. IF YOU PUSH YOUR END TOWARD
YOUR FRIEND AND THEN PULL IT BACK TOWARD YOU, A _____
WAVE WILL BE CREATED IN THE COILED SPRING.
LONGITUDINAL
, TRANSVERSE - CORRECT ANSWER-LONGITUDINAL
EXPLANATION:
A LONGITUDINAL WAVE WILL BE CREATED.
REGIONS WHERE THE PARTICLES OF A MEDIUM ARE FARTHER
APART ARE CALLED
COMPRESSIONS.
EXPANSIONS. - CORRECT ANSWER-EXPANSIONS.
EXPLANATION:
REGIONS WHERE THE PARTICLES OF A MEDIUM ARE FARTHER
APART ARE CALLED EXPANSIONS.
A SOUND WAVE IS A PROPAGATION OF
WAVELENGTHS AND COMPRESSIONS.
WAVELENGTHS AND EXPANSIONS.
© 2026 Copyright. All Rights Reserved. This document is
protected by copyright law
