Physics Hardest Trivia Questions Exam! Quiz
What we have here is termed as the hardest trivia quiz when it comes to physics, and it is perfect for those of you who think they are gurus in this field. Think you could ace it and get the best marks out of all that give it a try well give it a shot and don’t forget to share your score.
- 1.
What is Diffraction?
- A.
When a wave bounces off an object
- B.
When a wave bends around an object
- C.
A random signal
- D.
A wave that is absorbed by an object
Correct Answer
B. When a wave bends around an object -
- 2.
Hertz are a unit of measurement of?
Correct Answer
Frequency - 3.
Fletcher-Munson curves are graphical representation of?
- A.
Equal Loudness
- B.
Frequency
- C.
Velocity
- D.
Wavelength
Correct Answer
A. Equal Loudness -
- 4.
A doubling of distance between the listener and the source results in a?
- A.
3db of change
- B.
6db of change
- C.
10db of change
- D.
None of the above
Correct Answer
B. 6db of change -
- 5.
Period are determined by what? What is the formula?
Correct Answer
Period is determined by the amount of time it takes to complete one cycle regardless of frequency. The Formula is 1/Frequency. - 6.
A sound that contained a fundamental frequency and all order harmonics is called a?
- A.
Saw Tooth Wave
- B.
Sine Wave
- C.
Pulse Train Wave
- D.
Square Wave
Correct Answer
A. Saw Tooth Wave -
- 7.
The number of complete cycles of compression and rarefaction per second determines?
Correct Answer
Frequency - 8.
What is the speed of sound in air at “ standard” temperature and pressure?
- A.
1,130 ft per second
- B.
1000 ft per second
- C.
11.13ft per second
- D.
None of the above
Correct Answer
A. 1,130 ft per second -
- 9.
The equation: speed of sound/frequency will determine what?
- A.
Velocity
- B.
Wavelength
- C.
Frequency
- D.
Reverb Time
Correct Answer
A. Velocity -
- 10.
Permanent hearing damage will be the result of sound pressure levels beginning at:
- A.
140dB
- B.
130dB
- C.
100dB
- D.
150dB
Correct Answer
D. 150dB -
- 11.
A reverberent field can be broken down into:
- A.
Early Reflection
- B.
Direct Signal
- C.
Reverberation
- D.
All of the above.
Correct Answer
D. All of the above. -
- 12.
The part of ADSR sound envelope when a sound begins to initially lose amplitude is known as?
- A.
Attack
- B.
Sustain
- C.
Decay
- D.
None of the above.
Correct Answer
C. Decay -
- 13.
A pure wave or simple wave that is a frequency devoid of harmonics or overtones is called a _______wave?
Correct Answer
Sine Wave - 14.
The inverse square Law States?
Correct Answer
for every doubling or halving of distance between the source and the listener, there will be a 6dB of change. - 15.
Which frequencies are least directional?
- A.
Low frequencies
- B.
Mid Frequencies
- C.
Upper Mid Frequencies
- D.
High Frequencies
Correct Answer
A. Low frequencies -
- 16.
The smallest amplitude change the ear can perceive in a complex wave when you’re not expecting a change is?
- A.
1dB
- B.
3dB
- C.
10dB
- D.
None of the above
Correct Answer
B. 3dB -
- 17.
Which octaves are referred to as the 'sonic horizon' or the 'sonic anchor'?
- A.
3rd and 4th Octave
- B.
6th octave
- C.
8th octave
- D.
2nd octave
Correct Answer
A. 3rd and 4th Octave -
- 18.
White Noise can be defined as?
Correct Answer
A random Signal, with a constant power spectral density - 19.
The equation: speed of sound/frequency will determine what?
- A.
Velocity
- B.
Wavelength
- C.
Frequency
- D.
None of the above
Correct Answer
A. Velocity -
- 20.
The number of complete cycles of compression and rarefaction per second determines?
- A.
Frequency
- B.
Velocity
- C.
Saw tooth wave
- D.
Apple
Correct Answer
A. Frequency -
- 21.
The Basilar Membrane is located where?
- A.
Corti/Choclia
- B.
Auditory Nerve
- C.
Malleus
- D.
Incus
Correct Answer
A. Corti/Choclia -
- 22.
In Natural Acoustic environment, infinite random reflections becoming more closely spaced with time is known as?
- A.
Reverberation
- B.
Absorbtion
- C.
Diffusion
- D.
None of the above.
Correct Answer
A. Reverberation -
- 23.
An anechoic chamber is a room
- A.
Room that absorbs sound
- B.
Room without reflection
- C.
Reverberant room
- D.
Room that is silent
Correct Answer
B. Room without reflection -
- 24.
The number of cycles per second of sound wave is expressed in
- A.
Hertz
- B.
Wavelength
- C.
Velocity
- D.
Diffusion
Correct Answer
A. Hertz -
- 25.
Breaking down an acoustic waveform graphically into its frequency components is called
- A.
Fletcher Munson Graph
- B.
Fourier Series Analysis
- C.
Rarefaction
- D.
Time delay
Correct Answer
B. Fourier Series Analysis -
- 26.
The musical term for the doubling (or halving) of frequency is
- A.
Octave
- B.
Harmonic
- C.
Overtone
- D.
Sine wave
Correct Answer
A. Octave -
- 27.
Harmonics are
Correct Answer
Whole number multiples of the fundamental frequency - 28.
Constructive interference' of sound waves that are partially out of phase is defined as
Correct Answer
Phase that increases a sound's amplitude - 29.
When a vibrating object moves inwardly, it's effect of the air molecules surrounding it is known as
- A.
Rarefaction
- B.
Compression
- C.
Diffusion
- D.
Frequency
Correct Answer
A. Rarefaction -
- 30.
Interaural intensity differnces help us determine acoustic derectionality by
Correct Answer
The amplitude differences of high frequencies between the two ears - 31.
The bass knob on the hi fi system is what kind of eq?
- A.
Shelf EQ
- B.
Peak eq
- C.
Graphic EQ
- D.
None of the above
Correct Answer
A. Shelf EQ -
- 32.
Complex waves will reveal what through a Fourier Series Analysis?
Correct Answer
a fundamental frequency with some random combination of odd and even order harmonics, plus partials. - 33.
The three bones in the middle ear are?
- A.
Malleus (Hammer)
- B.
Incus (Anvil)
- C.
Stapes (stirups)
- D.
All of the above
- E.
None of the above
Correct Answer
D. All of the above -
- 34.
What is sound?
Correct Answer
A period disturbance of molecules caused by vibrations transmitted through an elastic medium, and the interactions of those disturbances with the environment. - 35.
Fundamental Frequency
- A.
Lowest frequency the sound produces
- B.
Important frequency
- C.
300hz
- D.
None of the above
Correct Answer
A. Lowest frequency the sound produces -
- 36.
3 Environmental factors that effect the speed of sound
Correct Answer
Temperature, Humidity, and Elevation. - 37.
What is the Full Range? and what are the Hz?
Correct Answer
Full range is the human hearing frequency range, the range is 20Hz-20kHz - 38.
What is a Decibel?
Correct Answer
A valueless number - 39.
What is Headroom?
Correct Answer
the difference between average level and peak level - 40.
What does Binaural mean?
Correct Answer
To hear with 2 ears from all directions. - 41.
What is the Human Dynamic Range?
- A.
0-120dB
- B.
10dB-100dB
- C.
0-100dB
- D.
None of the above
Correct Answer
A. 0-120dB -
- 42.
What is Refraction?
Correct Answer
A waves ability to change directions based upon density
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Current Version
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Mar 21, 2022Quiz Edited by
ProProfs Editorial Team -
Apr 04, 2015Quiz Created by
Juliolane1992
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