Sounds of Music Albara SciOly

1. What is the approximate speed of sound in air at sea level when the temperature is 15°C?

• 300 m/s

• 310 m/s

• 320 m/s

• 330 m/s

What is the relationship between the temperature of air and the speed of sound in air?

• The speed of sound in warm air is faster than the speed of sound in cold air.

• The speed of sound in warm air is slower than the speed of sound in cold air.

• The speed of sound in warm air is the same as the speed of sound in cold air.

• The speed of sound in air is not dependent on the temperature of the air.

3. What is the main purpose of electroacoustics?

• A) To study the behavior of sound in electric circuits

• B) To understand the relationship between sound and electromagnetic fields

• C) To analyze the properties of musical instruments

• D) To determine the ideal frequency response of a speaker system

4. What is the main goal of architectural acoustics?

• A) To enhance the natural sounds in a room

• B) To eliminate all sounds in a room

• C) To create a balanced sound environment in a room

• D) To make a room as soundproof as possible

5. What is one of the ways that turbulence can be created in a fluid flow?

• A) By increasing the speed of the fluid flow

• B) By decreasing the temperature of the fluid flow

• C) By increasing the pressure of the fluid flow

• D) By decreasing the density of the fluid flow

6. What is the length of a flute that would play a frequency of 600 Hz if a flute that is 70 cm long plays a

frequency of 250 Hz?

• A) 28 cm

• B) 56 cm

• C) 84 cm

• D) 112 cm

7. What causes a change in frequency of a sound wave when the source and observer are moving

relative to each other?

• A) Diffraction

• B) The Doppler Effect

• C) Interference

• D) Resonance

8. What is wavelength in the context of sound waves?

• A) The distance between two consecutive peaks of a wave

• B) The distance traveled by a wave in a given amount of time

• C) The speed of a wave

• D) The height of a wave

9. How is the frequency of a sound wave related to its pitch?

• A) The higher the frequency, the lower the pitch

• B) The lower the frequency, the lower the pitch

• C) The higher the frequency, the higher the pitch

• D) Frequency and pitch are not related

10. How does the amplitude of a sound wave affect its volume?

• A) The higher the amplitude, the lower the volume

• B) The lower the amplitude, the lower the volume

• C) The higher the amplitude, the higher the volume

• D) Amplitude and volume are not related