SHS 311 Exam Questions and Answers With Verified Solutions 2025
Convert 4800 Hz to kHz (kiloHertz). - ✔✔4.8 kHz
Which of the following statements provides the best definition of energy? - ✔✔The capacity to do work
Convert 8.3 kHz to Hz. - ✔✔8300 Hz
Harry is standing 7 feet away from the speaker that Hermoine is holding in Potions Class. He decides
that at 104 dB it is too loud, so he moves to 14 feet away. How loud is it now where Harry is standing? -
✔✔98 dB
The speaker travels with them to History of Magic Class. This time Harry is standing 4 feet away, and at
110 dB it is definitely too loud. He moves to 8 feet away. How loud is it now where Harry is standing? -
✔✔104 dB
__________ and __________ are the process by which the density of air molecules adjusts in response
to sound waves. - ✔✔Compression; rarefaction
2000 Hz is octave(s)higher than 1000 Hz. - ✔✔1
8000 Hz is octave(s) higher than 2000 Hz - ✔✔2
Convert 27200000 into scientific notation. - ✔✔2.72 x 10^7
Convert 7600000 into scientific notation. - ✔✔7.6 x 10^6
Which of the following best defines the difference between velocity and acceleration? - ✔✔Acceleration
involves a change in velocity
Convert 4800 Hz to kHz (kiloHertz). - ✔✔4.8 kHz
Which of the following statements provides the best definition of energy? - ✔✔The capacity to do work
Convert 8.3 kHz to Hz. - ✔✔8300 Hz
Harry is standing 7 feet away from the speaker that Hermoine is holding in Potions Class. He decides
that at 104 dB it is too loud, so he moves to 14 feet away. How loud is it now where Harry is standing? -
✔✔98 dB
The speaker travels with them to History of Magic Class. This time Harry is standing 4 feet away, and at
110 dB it is definitely too loud. He moves to 8 feet away. How loud is it now where Harry is standing? -
✔✔104 dB
__________ and __________ are the process by which the density of air molecules adjusts in response
to sound waves. - ✔✔Compression; rarefaction
2000 Hz is octave(s)higher than 1000 Hz. - ✔✔1
8000 Hz is octave(s) higher than 2000 Hz - ✔✔2
Convert 27200000 into scientific notation. - ✔✔2.72 x 10^7
Convert 7600000 into scientific notation. - ✔✔7.6 x 10^6
Which of the following best defines the difference between velocity and acceleration? - ✔✔Acceleration
involves a change in velocity