Physics Waves And Oscillations Level: High School
A 79.8 g mass is attached to a horizontal spring with a spring constant of 10.2 N/m and released from rest with an amplitude of 30.9 cm .What is the velocity of the mass when it is halfway to the equilibrium position if the surface is frictionless ? Answer in unit of m/s .
Physics Waves And Oscillations Level: High School
Diffraction
For difract5ionby a single slit , what is the effect of increasing(a) the slit width
(b) the wavelength
Physics Waves And Oscillations Level: High School
Diffraction
We can hear sounds around corners , but we cannot see around corners ; yet both sound and light are waves . Explain the difference ?
Physics Waves And Oscillations Level: High School
Compare a double-sit experiment for sound waves to that for light waves . Discuss the similarities and differences .
Physics Waves And Oscillations Level: High School
Why is light sometimes described as rays and sometimes as waves ?
Physics Waves And Oscillations Level: High School
Does Hugen’s principle apply to sound waves ? to water waves ?
Physics Waves And Oscillations Level: High School
Show that the crests of a wave Psi=Asin (ax-bt) move to the right at a speed v equal to the ration of the coefficients of t and x: that is v=b/a .
Physics Waves And Oscillations Level: High School
Electrons with K = 100eV are directed at two narrow slits a distance d apart . If the angle between the central maximum of the resulting interference pattern and the next maximum is to be one degree , What should d be ?
Physics Waves And Oscillations Level: High School
A single microphone feeds simultaneously into two speakers . Placed a meter apart facing an outdoor audience (there are no reflecting walls) . Assuming the input to the mike is human speech with the frequency of 500Hz . at what angle to the forward direction would the speaker output be most difficult to hear? Give your answer in degrees .
Physics Waves And Oscillations Level: High School
Two identical sources produce waves along the surface of a tank of water . At all points along the center line between these two sources , there is constructive interference . Lets pick one point on this center line and call it P . The nearest point to P at which destructive interference occurs are 10.7 cm from one source and 11.9 cm from the other . What is the wavelength of the wave from the two sources ?
Physics Waves And Oscillations Level: High School
Two identical point sources produce water waves with a wavelength of 0.0284 m . The sources are 0.129m apart .(a) Find the smallest angle away from the center line at which constructive interference occurs .
(b) Find the second smallest angle away from the center line at which constructive interference occurs ?
(c) Find the second smallest angle away from the center line at which destructive interference occurs ?
(d) In all , how many lines of constructive interference will there be on each side of the center line ?
Physics Waves And Oscillations Level: High School
As per the figure at “click here” Suppose point number 8 is 8.9 cm to the right of the center line . The screen is positioned 220 cm from the slits . The sources emits red light with wavelength 6.2 x 10^-7 m . Calculate the separation between the slits .
Physics Waves And Oscillations Level: High School
A certain person in a typical conversation speaks at a sound level of 62 dB . The music at a certain rock concert reaches a sound level of 130 dB. How many times as great is the intensity of the music ?
Physics Waves And Oscillations Level: High School
An aggressive piano increase the tension on a certain piano wire by 37% . How does the frequency of the sound that the wire will produce after this is done compare to the frequency before ?
Physics Waves And Oscillations Level: High School
Sound
A sound wave traveling at 320 m/s , is emitted by the foghorn of a tugboat . An echo is heard 3.29 s later. How far is the reflecting object ? Answer in units of m .