Physics question and answers for March 17, 2024
- Q The canonic moment p is quantized by P i V Show that the Bloch function Ynk eikrunk r
- Q Which of the following is NOT TRUE about modes A mode is the simplest form of oscillation at a fixed frequency O The actual vibration of a string consists of...
- Q The figure shows the position versus time graph of a particle in oscillatory motion Determine the period of oscillation T x AA 1 3 5 7 A 0 25 S...
- Q 8 Suppose that a 2 meter wave encounters an obstacle of width 20 cm Will the diffraction of the wave be large or small Explain your answer 10 points
- Q What happens to the wavelength of electromagnetic waves as their frequency increases WF happens to their speed Assume they are traveling in a vacuum
- Q wave 1 wave 2 AA The red and blue waves interact with each other and result in the purple wave shown What type of wave interference is this and how...
- Q A sound wave with a power of 8 8 x 10 4 W leaves a speaker and passes through section A which has an area of 5 0 m 2...
- Q Wave interference occurs for elect one a sound waves Ob light waves Oc water waves d All of the above choices are correct Oe None of the above choices are...
- Q Two single wave pulses are sent along a rope Both have the same height but one is upward and the other is downward As they are passing through each other...
- Q Two waves have different frequencies but equal amplitudes The one with higher frequency has the a greater speed b longer wavelength c greater energy d all of the above e...
- Q If the amplitude of the fundamental for a certain sawtooth wave is 2 5 volts what is the amplitude of the 4th harmonics Answer in units of volts and round...
- Q What is the fourth resonant frequency of an open tube 16 3 cm long Answer in units of Hz and round to the nearest integer Hints a For an open...
- Q By tapping his finger on the surface of a pond Tom sends out waves at a frequency of 3Hz If the wavespeed is 2 m s find the wavelength of...
- Q Which correctly shows the waves pulses afterwards O 5 cm 15 cm 5 cm 5 cm 10 cm 5 cm 10 cm 10 cm
- Q Ocean waves with a wavelength of 60 m are arriving at a rate of 8 per minute what is their speed a 4 m s Ob 7 5 m s...
- Q ow does a sounding board illustrate resonance for sound waves
- Q A thick power line of length 75 m is stretched taut between two poles experiencing a tension force of 6250 N The mass of the power line 750 kg What...
- Q You want to create an upright image of an object that is five times the height of the object The object must be located 12 0 cm in front of...
- Q 15 6 pts Standing waves form on a 0 4 m long string both ends fixed when it is plucked The string is under 800 N of tension and has...
- Q A pendulum consists of a small rock hanging from a string of length 0 67 m Pull the rock sideways and release it from rest to set the pendulum in...
- Q If two waves both have an intensity 11 and the interfere destructively what resulting intensity would you expect 11 1 2 11 211
- Q In a standing wave on a vibrating string a point that appears to remain stationary is a n Select one O a node b rarefaction C antinode d point of...
- Q When a wave on a rope strikes a free boundary the wave is Select one O a reflected and inverted Ob not reflected O c reflected but not inverted d...
- Q ect one a C b D c B Before Interference d Diagram A N Diagram C Diagram B NT Ch diagram shows the shape of the medium when they are...
- Q 25 meter chain is undergoing 150 cycles of motion in 3 seconds while in 12th conic Calculate the frequency period wavelength and wave speed of the chain
- Q 3 Increase and decrease the amplitude setting What happens to the actual drops of liquid AND the waves created as you increase and decrease the amplitude 4 Define Amplitude
- Q 11 What would be the mathematical relationship between wavelength and frequency Use abbreviations f for frequency and for wavelength 12 What are the units for frequency
- Q 7 Using and viewing the wave meter increase and decrease amplitude What happens to the waves on the meter 8 Using and viewing the wave meter increases and decreases frequency...
- Q 8 53 512 26 8 1610 30 700 7 A guitar string is set into vibration with a frequency of 512 Hz How many oscillations does it undergo each minute
- Q Two waves meet and interfere constructively Which one of the following factors increases Select one O a amplitude O b wavelength c period O d frequency
- Q An elastic rope is tied securely to a wall An upward displaced pulse is introduced into the rope The pulse travels through the rope reaches the boundary with the wall...
- Q 18 An FM radio station broadcasts at 9 23 x 10 7 Hz Given that the radio waves travel at 3 00 x 10 8 m s what is the...
- Q 1 What does the dropping liquid create 2 Describe what you see as the liquid continues to drop
- Q 7 How many nodes and antinodes are shown in the standing wave below p O a Three nodes and five antinodes O b Two nodes and three antinodes O c...
- Q Two wave fronts off the coast of Sydney meet at the coast The height at the coast in m of the two wave forms an given by h 5 2...
- Q What is the amplitude and period of the graph 4 08 4T 4 2 TT
- Q 29 An astronaut has landed on Planet N gravity on that planet She uses a sim oscillations 26 0 s What is the accele O 3 74 m s
- Q Doubling only the amplitude of a vibrating mass on a spring system produces what effect on the system frequency increases the frequency by a factor of 2 increases the frequency...
- Q The drawing shows a frictionless incline and pulley The two blocks are connected by a wire mass per unit length 0 0226 kg m and remain stationary A transverse wave...
- Q velength kHz 103 sec Submit Answer Retry E
- Q 0 1 The image above represents a standing wave a What harmonic does this represent 4th harmonic b What is the wavelength of the wave if the distance for the...
- Q EXAMPLE 08 Music System Sound Waves EXAMPLE Television Visible Light longitudinal WAVES SOURCE AAVIRT 1 pt each Wavelenth Expansion Frough tranverse crest NA A Allistud rough wavelength 1 6 7m...
- Q Waves A B and C all travel 12 0 meters in 2 0 seconds through the medium shown elow 10 m Determine the speed frequency period wavelength and amplitude of...
- Q For a standing wave on a string that is fixed at both ends As the frequency of the oscillator is increased the wavelength of the standing wave pattern Select the...
- Q A particular wave on a string travels to the left with an amplitude of 3 7 m a period of 9 s and a wavelength of 5 2 m The...
- Q igure shows the displacement y of a wave at a given position as a function of time and the displacement of the same wave at a given time as a...
- Q 1 A wave is travelin of 34 Hz What is the
- Q The figure shows the displacement y of a wave at a given position as a function of time and the displacement of the same wave at a given time as...
- Q The FM radio band 111 most places goes from frequencies of about 85 MHz to 111 MHz How long is the wavelength of the radiation at the beginning of the...
- Q A wave has a speed of 8 9 m s and has a wavelength of 6 7m What is the frequency of the wave 2 pts show your work
- Q 1 Describe these five parts of a wave crest wavelength valley node antinode 10 points
- Q 2 Explain what happens to the frequency and wavelength when a b a sound source is approaching a stationary observer 5 points a sound source is receding from a stationary...
- Q The two pulses shown above are traveling in opposite directions along the same slinky When they meet which behavior is illustrated O diffraction destructive interference constructive interference O Doppler effect...
- Q Before Reflection barrier wave direction changes speed stays the same What is TRUE about the reflected wave B in the picture above Choose all that apply wavelength changes speed changes...
- Q Why don'telectromagnetic wavesneed particles topropagate?
- Q A 8 kg mass vibrates according to the equation x = 0.57cos5.9t where x is in meters and t in seconds. Calculate the maximumacceleration of the wave in m/s.Round your...
- Q A cord of mass 0.63 kg is stretched between two supports 31.5 meters apart. If the tension in the cord is 130 N. What is the wave speed in m/s?
- Q A block-spring system oscillates with an amplitude of 2.1 cm. If the spring constant is 272 N/m and the mass of the block is 0.51 kg, determine the maximum speed...
- Q 1. A large anchor is being lifted into a boat with metal sides. As the anchor leaves the water it hits the side of the boat, making loud sounds (a...
- Q Suppose your slinky was stretched to 4.5 m. You complete Scenario 3 with a frequency of 0.82 Hz. What is the wave speed in m/s?Remember to find your wavelength first!...
- Q A string fixed at one end and free at the other end is resonating in its third harmonic. If the displacement equation is y(x, t) = 0.08 sin(6.28x) cos(512t). What...
- Q Currently, CD players use a laser diode producing light with a wavelength of 780 nm. The index of refraction of the polycarbonate plastic layer is 1.55. If blue laser light...
- Q A 6 kg mass vibrates according to the equation x = 0.62cos7.8t where x is in meters and t in seconds. Calculate the maximum acceleration of the wave in m/s.Round...
- Q A 0.43-kg mass at the end of a spring vibrates 3.1 times per second with an amplitude of 0.17 meters. Determine the velocity in m/s when it passes the equilibrium...
- Q The equation of a transverse wave in a cord is given by:y (x, t) = (2.0cm) sin {2?/ (0.040 s) + 2?x/ (0.50 m) }Amplitude-Blank 1 cmWavelength=Blank 2 mBlank 1...
- Q A periodic and recurrent disturbance in a lake produces waves that radiate outward from the source, resulting in circular wave patterns. The distance between successive wave crests __ is meter...
- Q 4.1 sinusoidal waves with a frequency of 59 Hz were created on a string with a length of 1.49 m and a mass of 496 g. Determine the rope's wave...
- Q Because of the waves on the sea, a fisherman observes his boat going up and down on a regular basis. The boat travels 4.31 meters in 2.74 seconds from its...
- Q A perfect spring whose spring constant is 180 newtons per meter is attached to a 3.2-kilogram cart that slides on a frictionless horizontal surface, as shown. The cart is moved...
- Q A 1.2 kg mass vibrates according to the equation x = 0.74cos7.9t where x is in meters and t in seconds. Calculate the frequency in Hz.Round your answer to 2...
- Q A physics student constantly swings a slinky side to side, with an amplitude of 20 cm. This motion generates a standing wave. How could that standing wave be described?antinodes =...
- Q Water waves travel from a region of known depth to a region of unknown depth at an oblique angle. What two observations can be made from the surface waves to...
- Q Using academic language, describe the cause and effect relationship between:1) Frequency and wave speed when wavelength is constant2) Frequency and wavelength when wave speed is constant
- Q Which of the following are true? Check all that apply.The Earth moves through a fluid called luminiferous aether.The length of an object would be zero if the object were moving...
- Q A tuning fork vibrates at a frequency of 264 Hz, and the tip of each prong moves 1.8 mm to either side of center. Calculate the maximum speed of the...
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