Question

The wave front of a water wave strikes a flat surface at an
angle of 26^{o} to the normal of a flat surface and is
reflected. At what angle to the normal is it reflected?

A standing wave is found to have a total of five nodes. If the total length between the boundaries of the wave is 5.68 m, what is the wavelength?

Two waves are identical. At a point in time the two waves overlap so that one of the waves is phase shifted by π compared to the other wave. What is the resulting amplitude of the superposition of the two waves for the phase-shifted overlap?

Answer #1

Light is incident on a flat water (n=1.33) surface at such an
angle that the reflected light is completely linearly polarized.
What is the angle of incidence? What is the ratio of the intensity
of the reflected light compared to the incident light? Of the
transmitted light? What is the angle with respect to the normal of
the transmitted light?

Light is incident on a flat water (n=1.33) surface at such an
angle that the reflected light is completely linearly polarized.
What is the angle of incidence? What is the ratio of the intensity
of the reflected light compared to the incident light? Of the
transmitted light? What is the angle with respect to the normal of
the transmitted light?

Waves and Lenses True False
Waves
1. [ ] Constructive interference occurs when two or more waves
overlap and the amplitude of the resultant wave is greater than
that of any individualwaves.2. [ ] In Young’s double-slit
experiment, the condition for constructive interference is that the
path difference of two waves must be either zero or some integer
multiple of the wavelength.3. [ ] When a light wave traveling from
air is reflected on a diamond surface, the reflected wave...

A wave of sinusoidal form has a frequency 1275 rads/s
and a amplitude of 2.75 mm propagates along a cable with linear
density of 2.35 g/m and tension 1245N
(a) The average rate energy is moved by the wave to the opposite
end of the cable is?
(b) An identical wave, simultaneously travels along an adjacent
identical cable, what is the total average rate at which energy is
moved to the opposite ends of the two cables by the waves?
Alternatively,...

(1A) A vertical spring with a spring constant of 8 N/m and
damping constant of 0.05 kg/s has a 2 kg mass suspended from it. A
harmonic driving force given by F = 2 cos(1.5 t ) is applied to the
mass. What is the natural angular frequency of oscillation of the
mass? What is the amplitude of the oscillations at steady state?
Does this amplitude decrease with time due to the damping? Why or
why not?
(1B) Two traveling...

Wave Optics – Thin Films
A thin film 4.0X10-5cm thick interfaces with air
(n=1) on each its front and back surfaces and is illuminated by
white light normal to its front surface. Its index of refraction is
1.5. What wavelengths within the visible spectrum will be
intensified in the reflected beam? (visible light is taken to be
wavelengths between 390 to 700 nm) Follow the solution
outline below:
Sketch the situation and label the index of refraction on each
side...

Two waves traveling in opposite directions on a stretched rope
interfere to give the standing wave described by the following wave
function:
y(x,t) = 4 sin(2πx) cos(120πt),
where, y is in centimetres, x is in meters, and t is in seconds.
The rope is two meters long, L = 2 m, and is fixed at both
ends.
In terms of the oscillation period, T, at which of the following
times would all elements on the string have a zero vertical...

1. A bat uses very high frequencies so:
a. He will kill the insects he's hunting
b. We won't hear them
c. The sound waves will be small compared to the
insects
d. The sound waves will be large compared to the
insects
e. He can tune in to KMET for the weather
report
2. Bees see somewhat into the ultraviolet. This is
because:
a. They use radar
b. They can see in the dark
c. They evolved with a...

1) 2 point charges are separated by a distance of 8 cm. The left
charge is 48 mC and the right charge is -16mC. Using a full sheet
of paper: draw the 2 charges separated by 8cm, centered in the
sheet. (if you are missing a ruler estimate 8cm as ⅓ a paper sheet
length). [6] a) Draw field lines to indicate the electric fields
for this distribution. [4] b) Draw 3 equipotential surfaces, 1
each, that pass: -Through the...

Please summarize the below article in approximately 100
words:
Monumental function in British Neolithic burial practices
Ian Kinnes
The high-risk rate of survival for the non-megalithic series of
Neolithic funerary monuments, recently re-emphasized by Piggott
(1973: 34), introduces a further variable into the deductive study
of burial practices. In Britain and Europe the overall distribution
of monumental forms present both lacunae and a marked preponderance
of cairns over earthen mounds which are in ill accord with the
known or predicted...

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