LifePac Grade 12 Physics correct answer: Unit 4
Test 1204 Exam Questions and Correct
1. node correct answer: location of destructive interference in a standing wave
2. diffraction correct answer: bending of a wave around an obstacle
3. destructive interference correct answer: superposition of an incident crest and its
reflection
4. constructive interference correct answer: superposition of two troughs
5. antipode correct answer: constructive interference on a standing wave
6. frequency correct answer: the invariable when a wave changes media
7. total internal reflection correct answer: incident angle > critical angle
8. wave correct answer: non particle energy transmitter
9. Doppler effect correct answer: result of a moving wave source
10. frequency * wave length correct answer: wave velocity
11. beats
correct answer: The interference of sound waves of slightly ditterent frequencies produces .
12. resonance correct
answer: The ability of a singer to shatter glass is due to .
13. temperature correct
answer: The speed of sound in air depends on .
14. a shock wave correct answer: The result of a wave generator traveling faster than the
speed of a wave is
.
15. diffraction
correct answer: The bending of a wave through an opening in a barrier is .
16. period correct answer:
The time required for the passage of one wavelength is the .
17. velocity correct answer:
The invariable wave property in the Doppler ettect is the .
18. reso
nance correct answer: An object that begins to vibrate in response to outside vibration displays
.
19. constructive interference correct answer: A pulse and its reflection cannot
produce
1/
1
Test 1204 Exam Questions and Correct
1. node correct answer: location of destructive interference in a standing wave
2. diffraction correct answer: bending of a wave around an obstacle
3. destructive interference correct answer: superposition of an incident crest and its
reflection
4. constructive interference correct answer: superposition of two troughs
5. antipode correct answer: constructive interference on a standing wave
6. frequency correct answer: the invariable when a wave changes media
7. total internal reflection correct answer: incident angle > critical angle
8. wave correct answer: non particle energy transmitter
9. Doppler effect correct answer: result of a moving wave source
10. frequency * wave length correct answer: wave velocity
11. beats
correct answer: The interference of sound waves of slightly ditterent frequencies produces .
12. resonance correct
answer: The ability of a singer to shatter glass is due to .
13. temperature correct
answer: The speed of sound in air depends on .
14. a shock wave correct answer: The result of a wave generator traveling faster than the
speed of a wave is
.
15. diffraction
correct answer: The bending of a wave through an opening in a barrier is .
16. period correct answer:
The time required for the passage of one wavelength is the .
17. velocity correct answer:
The invariable wave property in the Doppler ettect is the .
18. reso
nance correct answer: An object that begins to vibrate in response to outside vibration displays
.
19. constructive interference correct answer: A pulse and its reflection cannot
produce
1/
1
