Consider an array of parallel wires with uniform spacing of 1.30 cm between centers. In air at 20.0°C, ultrasound with a frequency of 37.2 kHz from a distant source is incident perpendicular to the array. (a) Find the number of directions on the other side of the array in which there is a maximum of intensity. (b) Find the angle for each of these directions relative to the direction of the incident beam.

Question

Consider an array of parallel wires with uniform spacing of 1.30 cm between centers. In air at 20.0°C, ultrasound with a frequency of 37.2 kHz from a distant source is incident perpendicular to the array. (a) Find the number of directions on the other side of the array in which there is a maximum of intensity. (b) Find the angle for each of these directions relative to the direction of the incident beam.

Expert Answer

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in
Science
Physics

Other

Related Physics Q&A

Find answers to questions asked by students like you.

Q: Suppose you are observing a binary star with a telescope and are having difficulty resolving the two...

A: Click to see the answer

Q: This is the formula for Newton's law of gravity. F = m1 x m2 / d^2 Can you please explain mathematic...

A: The force of gravitation is said to vary with the distance by the inverse square law. Inverse square...

Q: Does a wider normal distribution plot indicate more or less uncertainty in the data ? Explain

A: The uncertainty in the observation is the measure of how far the value is located from the average/m...

Q: An instrument based on induced emf has been used to measure projectile speeds up to 6 km/s. A small ...

A: The emf induced in a coil when a magnet passes through it can be expressed as,  

Q: Two moles of a monatomic ideal gas such as helium is compressed adiabatically and reversibly from a ...

A: The final volume of the gas can be obtained as

Q: For each of the following questions, give an example if your answer is yes. Explainwhy not if your a...

A: Click to see the answer

Q: Determine the magnitude of the displacement (in meters) of an object which slows down at a rate of -...

A: Click to see the answer

Q: Light of wavelength 540 nm passes through a slit of width 0.200 mm. (a) The width of the central max...

A: It is given that,

Q: If you are riding on a train that speeds past another train moving in the same direction on an adjac...

A: Relative velocity: The relative velocity of an object is the velocity of the object with respect to ...

Q: State the relationship between resistance of a resistor and its length, cross-sectional area, and re...

A: Click to see the answer

Q: A series RLC circuit has a resistance of 45.0 Ω and an impedance of 75.0 Ω. What average power is de...

A: Click to see the answer

Q: Consider a solenoid that is very long compared with its radius. Of the following choices, what is th...

A: Click to see the answer

Q: A rope with mass mr is attached to a block with mass mb as shown. The block rests on a frictionless,...

A: Given data: *Mass of the block is mb *Mass of rope is mr *Horizontal force is F

Q: Heat transfer can cause temperature and phase changes. What else can cause these changes?

A: Click to see the answer

Q: How would you experimentally distinguish an electric field from a gravitational field?

A: The electric field (E) of a charge (Q) at a distance (r) from the charge may be given by using Coulo...

Q: A light-nanosecond is the distance light travels in 1 ns. Convert 1 ft to light-nanoseconds.

A: Click to see the answer

Q: A ball of lead of mass 1kg drops from a height of 46 m, hits the floor and remains there at rest. Wh...

A: Click to see the answer

Q: The radius of a sphere is 3.08 meters. What is it's surface area?

A: Click to see the answer

Q: 20-41. At the instant shown, the arm AB is rotating about the fixed pin A with an angular velocity o...

A: Given data The angular velocity is, Ѡ1= 4i rad/s The angular acceleration is, Ѡ1’=3i rad/s2 The angu...

Q: Suppose the slit width as shown is made half as wide. Does the central bright fringe (a) become wide...

A: Click to see the answer

Q: As it passes over Grand Bahama Island, the eye of a hurricane is moving in a direction 60.0° north o...

A: Given: The speed of the hurricane = 41 Km/hr. The direction of the hurricane = 60 0 north of west  

Q: The air inside a bicycle tire pump has 10.9 joules of work done on it as 8.8 joules of heat is condu...

A: The work done on air  W= -10.9 J (Negative since work is done on the system ) The heat conducted awa...

Q: 1 What frequency of sound traveling in air at 37◦ C has a wavelength of 0.6 m? Calculate to one deci...

A: Given: Temperature of air (T) = 37 C Wavelength of sound (λ) = 0.6 m.

Q: A long solenoid that has 1 000 turns uniformly distributed over a length of 0.400 m produces a magne...

A: Click to see the answer

Q: Can anything be said about the speed of a particle whose acceleration is always orthogonal to its ve...

A: Step 1 The acceleration is orthogonal to the velocity, Multiply by two on both sides

Q: A gas is compressed inside a cylinder. An average force of 45 N acts to move the piston 4.7 m. Durin...

A: Click to see the answer

Q: The force exerted by gravity on a whole brick is greater than theforce exerted by gravity on half a ...

A: Full and half brick 

Q: Explain attraction and repulsion by magnets?

A: Click to see the answer

Q: Explain Thermal Hazards?

A: Thermal hazards 

Q: • In order to keep a leaking ship from sinking, it is necessary topump 12.0 lb of water each second ...

A: Click to see the answer

Q: Describe about measure the gravitational force between two objects?

A: Consider two point bodies of mass m1 and m2 having separation r between them.

Q: Determine the magnitude of the displacement (in meters) of an object which moves at a constant speed...

A: Displacement is given as Displacement = Speed x time

Q: A 30.0-kg girl in a swing is pushed to one side and held at rest by a horizontal force F→ so that th...

A: Click to see the answer

Q: Can the displacement vector for a particle moving in twodimensions be longer than the length of path...

A: Displacement vector is the straight line distance between the starting point and ending point of the...

Q: Two wave pulses A and B are moving in opposite directions, each with a speed v 5 2.00 cm/s. The ampl...

A: Click to see the answer

Q: A fireman has mass m; he hears the fire alarm and slides down the pole with acceleration a (which is...

A: Let the mass of the fireman is denoted by m and the acceleration is denoted by a with which the fire...

Q: You drive a car 1500 ft to the east, then 2500 ft to the north. Ifthe trip took 3.0 minutes, what we...

A: Click to see the answer

Q: • A child goes down a playground slide that is inclined at an angleof 26.5° below the horizontal. Fi...

A: Click to see the answer

Q: Given example derives the exact expression for the electric field at a point on the axis of a unifor...

A: a. the surface charge density is  

Q: Shaving>makeup mirrors typically have one flat and one concave (magnifying) surface. You find tha...

A:  

Q: Three point charges are located on a circular arc as shown. (a) What is the total electric field at ...

A: Given: Charge q1 = +3.0 nC. Charge q2 = -2.0 nC. Charge q3 = +3.0 nC. Radius of arc (r) = 4.0 cm. = ...

Q: A force acting on a particle varies with x as shown. Calculate the workdone by the force on the part...

A: The work done is measured as the area under the force versus displacement curve. Therefore, the work...

Q: Write down difference between elastic inelastic and completely inelastic collision.

A: Elastic collision is a collision in which energy and momentum is conserved before and after collisio...

Q: Suppose a hydrogen atom is in the 2s state, with its wave function given by the equation below. Taki...

A: The wave function of the 2s state is given as Here, a0 is a constant and known as Bohr’s radius.

Q: Explain what happens if the inward radial force suddenly ceases to act on an object in circular moti...

A:   The radial inward force is sometimes referred to as centripetal force. This force is center loving...

Q: In a hydrogen atom, the electron is at a distance of 4.768 Å from the nucleus. The angular momentum ...

A: Click to see the answer

Q: The Eiffel tower in Paris is 300 meters tall on a cold day  when temperature is -13 Co . What is its...

A: Given: height of Eiffel tower at -13 Co, hi = 300 m  coefficient of linear expansion, α = 12 × 10-6 ...

Q: An object moving with uniform acceleration has a velocity of 12.0 cm/s in the positive x-direction w...

A: Click to see the answer

Q: What is fluid resistance?

A: Fluid resistance 

Q: Determine the moment of the force about point O.

A: Resolve the force along vertical and horizontal direction as shown below: