Sound and Fluid Dynamics Quiz
Sound and Fluid Dynamics Quiz
Test your knowledge on the fascinating concepts of sound waves and fluid dynamics with this engaging quiz! Whether you're a student, a teacher, or just someone curious about physics, this quiz will challenge your understanding of important principles.
- 20 multiple choice questions
- Topics covering sound waves, buoyancy, and fluid mechanics
- Understand real-world applications of physics concepts
TWO SOUND WAVES TRAVELLING THROUGH THE AIR have different frequencies. Consequently, they must also have different.
Wavelength
Doppler Effects
Audible Waves
What principle states that, “WHEN FORCE IS APPLIED TO A CONFINED LIQUID, the change in pressure is transmitted equally to all parts of the fluid”.
Archimedes Principle
Pascal's Principle
Bernolli's Principle
BEFORE A CONCERT, musicians in an orchestra tune their instrument to the note A, which has a frequency of 640 hertz. What is the wavelength of this sound in air at room temperature? The speed of sound id 344m/s.
0.52 HZ
0.52 m/s
0.52 m
It is the CHANGE IN THE OBSERVED FREQUENCY of a wave when the source or the listener moves relative to the transmitting medium.
Doppler Effects
Low pitch
High pitch
What is the frequency of the fundamental mode of vibration of a STEEL PIANO WIRE STRETCHED to a tension of 440 N? The wire is 0.600 m long and has a mass of 5.60 grams.
269 Hz
366 Hz
295 Hz
TWO AQUARIUMS ARE COMPLETELY FULL OF WATER, but the pressure at the bottom of aquarium A is greater than at the bottom of aquarium B. The cause of this could be
A is shaped like a box and B is shaped like a cylinder.
The water in A is deeper than it is in B
A contains freshwater and B contains seawater
Which of the following CAN CHANGE THE FREQUENCY OF A WAVE?
Infrasonic Waves
Ultrasonic Waves
Doppler Effects
A contemporary HUCKLEBERRY FINN wants to construct a raft by attaching empty, plastic, 1-gallon milk jugs to the bottom of a sheet of plywood. The raft and passengers will have a total weight of 300 pounds. How many jugs are required to keep the raft afloat on the water?
48 ft3
0.208 ft3
4.8 ft3
A 440” Hz LONGITUDINAL WAVE IN AIR HAS A SPEED OF 345 m/s. What is the wavelength?
0. 784m
7.84m
1.28m
A wave that lie within THE RANGE OF SENSITIVITY OF THE HUMAN EAR.
Pitch
Audible waves
Infrasonic waves
A raft is 2.35 m wide by 1.25 m long by 0.365 m deep. WHAT IS THE BUOYANT FORCE ON THE RAFT IF ONLY 0.125 OF THE RAFT REMAINS ABOVE WATER?
6,190 N
10,500 N
3,590 N
IF THE WEIGHT OF AN OBJECT THAT IS SUBMERGED IN A FLUID IS 10 N AND THE BUOYANT FORCE ON IT IS 20 N, what will happen to the object?
It will sink
It will float
It will shrink
A WAVE HAVING FREQUENCIES ABOVE THE AUDIBLE RANGE
Infrasonic Waves
Audible Waves
Ultrasonic Waves
What principle states that when "AN OBJECT IS PLACED IN A FLUID, the buoyant force acting on it is equal to the weight of fluid that the object displaces.
Bernolli's Principle
Archimedes Principle
Pascal's Principle
A SUBMARINE IS MOVING TOWARD ANOTHER SUBMARINE at 9.20 m/s. It emits a 3.50 - MHz ultrasound. What frequency would the SECOND SUB, AT REST, DETECT? The speed of sound in water is 1482 m/s.
3.52 MHz
352 MHz
3.52 Hz
SURFACE A IS COATED WITH WHITE PAINT AND IS MAINTAINED AT TEMPERATURE OF 200℃. It is located directly opposite to surface B which can be considered a black body and is maintained at temperature of 800℃. Calculate the amount of heat that needs to be removed from surface A per unit area to maintain its constant temperature.
32,435 W/m2
71,469 W/m2
21,534 W/m2
What principle states that as the "SPEED OF A MOVING FLUID INCREASES, the pressure within the fluid decreases.”
Pascal's Principle
Archimedes Principle
Bernolli's Principle
Objects _________IF THEIR WEIGHT IS GREATER THAN THEIR BUOYANT FORCE.
Float
Sink
Constract
A WAVE HAVING FREQUENCIES BELOW THE AUDIBLE RANGE.
Infrasonic Waves
Ultrasonic Waves
Low pitch
When the AUTOMOBILE MOVES AWAY FROM THE LISTENER, IT'S HORNS SEEMS
High pitched
Normal
Low pitched
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