16. An observer is moving away from a stationary ambulance. According to the Doppler effect, for the observer, the apparent frequency of the siren compared to the actual frequency of the siren a. increases b. stays the same c. decreases d. resonates e. increases or decreases depending on the speed of the ambulance
Q: wave can be considered as being composed of 7. A complex traveling a) a number of sinusoidal…
A: For ques 8:Two different frequencies 230 Hz and 233 Hz.
Q: An ambulance with a siren emitting a whine at 1470 Hz overtakes and passes a cyclist pedaling a bike…
A:
Q: 2) An oscillator creates periodic waves on a stretched string. If the frequency of the oscillator…
A:
Q: 3. In which of the following cases would you hear the lowest frequency from the train's horn? A. You…
A:
Q: In a snowy day and a temperature of -27.30C, a train emitted a 531.85 Hz sound as it recedes away…
A: Given T = -27.300C = (273.15 -27.30) K = 245.85 K Actual frequency (f) =531.85 Hz Apparent frequency…
Q: 9. The apparent change in the frequency of a sound wave as the source and the observer move towards…
A: The Doppler effect is the apparent change in frequency of a wave when the observer and the source of…
Q: 2. A train coming toward you (you are stationary) blows a steady tone whistle that sounds like 800…
A: Step 1: Doppler Effect: The phenomenon in which there is an increase or decrease in the frequency…
Q: 1. When a sound wave goes from air into water, the quantity that remains unchanged is its
A: Given that 1. We have to answer the property of sound wave in different medium 2. We have to show an…
Q: A train moves towards a stationary observer with speed 34m/s. The train sounds a whistle and its…
A: B
Q: 4. If you see a firecracker combust 900.0 m away and the temperature of the dry air is 30 *C, how…
A: distance of fire d = 900m temperature T = 30 C = 303.15 k The relation between the speed of sound in…
Q: 1. What happens to a fishing boat when water waves disturbed by a tanker moves past it? A) It will…
A: What happens to a fishing boat when water waves disturbed by a tanker moves past it?
Q: 19. Quincey stands on the flatbed car of a moving train playing an A on his flute. The note has a…
A: Original frequency of the flute f=220 Hz and frequency heard by stationary observer f'=first…
Q: Sound waves travel in air with a speed of 343 m/s. Dogs can hear sounds with frequencies as high as…
A:
Q: 6. What is the length of brass pipe if you measure a sound wave to take .5 s to travel the length of…
A: Time taken to travel through length ,"t"= 0.5s. now , speed of sound in brass is "v"= 4300m/s .…
Q: Two ultrasonic sound waves combine and form a beat frequency that is in the range of human hearing…
A: The beat frequency is given by Where f1 and f2 are frequencies of combining waves.
Q: On increasing the temperature, the speed of sound in air: a. first increases then become constant b.…
A: Speed of sound in air with temperature is given by v=331+0.61T where v is speed and T is…
Q: 14. Karen flies a motorized toy airplane with a frequency of 200 Hz in a circle with a speed of 18.0…
A:
Q: IECHANICAL WAVES oblem-solving: Choose your answer from the dropdown provided on each item. police…
A:
Q: In her physics lab Maria finds that she can take a long glass tube and fill it with water using the…
A: Waves behave like a wave inside a tube. They are known as standing waves. In case of a pipe closed…
Q: Which statement does NOT explain the concept of the Doppler Effect? A. As an observer approaches a…
A: As sound source moves away from stationary object, pitch of the sound decreases.
Q: Consider a sound wave traveling from left to right in a certain region in air. If, at a particular…
A:
Q: Ultrasound is absorbed in the body; this complicates the use of ultrasound to image tissues. The…
A:
Q: A person standing in the street is unaware of a bird dropping that is falling from a point directly…
A:
Q: A pulse is traveling towards the boundary from a more dense medium to a less dense medium. Medium 1…
A: when a wave passes from denser medium to rarer medium then it is partially reflected and partially…
Q: Two eagles fly directly toward one another, the first at 15.0 m/s and the second at 20.0 m/s. Both…
A: Case-01 the first eagle is the source and the second eagle is the observer. Both the observer and…
Q: 9. A car and a bicycle are traveling directly toward each other at different speeds. The car's horn…
A: Given, The frequency of the car's horns (source), f0=440 Hz The velocity of the car, vs=15 m/s The…
Q: When two waves with equal intensities are in phase, the wave disturbance is doubled. O a. False O b.…
A: Option b. True is correct
Q: Doppler effect is not observed in sound wave . Choose one correct example from the given examples.…
A: Required : Doppler's effect is not observed in which case.
Q: Why does ambulance sounds low pitched when it passes by? A. Wavelength contracts so frequency…
A: The shorter the wavelength, the higher the pitch, and vice-versa. As you increase the amplitude and…
Q: In what direction do particles move in a SOUND wave? a. They move perpendicular to the direction of…
A:
Q: Doppler effect is not observed in the sound wave. Choose one correct example from the given…
A: The correct answer is option (c).
Q: Harvey, a harpist, plucks a 0.600 m long string on his harp. The string has a first overtone of…
A:
Q: 8. A source of sound waves of frequency 1.0 kHz is stationary. An observer is traveling at 0.50…
A:
Q: In a sinusoidal wave, the time required for a particular point to move from maximum displacement to…
A: Option d
Q: The frequency of an ambulance siren is 1000 Hz at rest. Ahmad, which is in his car, hears the…
A: frequency of ambulance siren at rest = 1000 Hz Frequency heard by Ahmad in his car = 1010 Hz
Q: A traveling wave is represented by a wave function y(x, t)= (5.0 cm) sin (x-(0.20 m/s)t). When 3.0…
A:
Q: 2. It was tradition in some army troops in the past to cease stepping in perfect formation whenever…
A: Resonance: This is a phenomena that occurs when frequency of a periodic force is equal to the medium…
Q: In science-fiction movies, the movie makers provide exciting visual and sound effects, such as the…
A: Sound:- A sort of energy created by vibrations is sound. The vibration of an object causes the…
Q: A wave source has a wavelength of 0.60 m. Which of the following scenarios could cause the observer…
A:
Q: 4. In one of the original Doppler experiments, a tuba was played at a frequency of 75 Hz on a train…
A:
Q: A supersonic airplane has a speed of 1.5 times the speed of sound. If an observer is 5 km from the…
A: A supersonic airplane has a speed of 1.5 times the speed of sound. If an observer is 5 km from the…
Q: While waiting for her ride, Maria hears the siren of an ambulance approaching her at a speed of 30…
A:
Step by step
Solved in 3 steps