7) A standing wave pattern consisting of seven loops is observed on a 2.1 m long string fixed at both ends.The wavelength, 2, is equal to:(a) 0.6 m(b)0.3 m(c) 0.7 m(d)0.35 m8) Two strings, A and B, have respective mass densities µa and ug respectively. The linear mass density,Ha, of string-B is nine times that of string-A (Hg = 9µa). If both strings have the same fundamentalfrequency when kept at the same tension, then the ratio of their lengths LA/Lg is equal to:(a)9(b)3(c) 1/3(d) 1/9

Option (a) 0.6m is correct option

Answered: A standing wave pattern consisting of…

A standing wave pattern consisting of seven loops is observed on a 2.1 m long string fixed at both ends. The wavelength, A, is equal to:

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Related questions

Q: In a biprism experiment, the slit is illuminated by the light of wavelength 5890A.the distance…

A: The given data are: λ=5890 A=5890×10-10 mD=0.8 md=0.2 cm=0.002 mx=10 cm=0.1 m Here, λ denotes the…

Q: The spectral transmissivity of a 50 mm thick polymer film is measured over the wavelength range 2.5…

Q: (b) The reverberation time of a hall is Twhen an object made of certain material is placed inside a…

A: Let T1 be the reverberation time with object and T2 be the reverberation time on removing the object…

Q: For a glass plate transmissivity and reflectivity are specified as 0.86 and 0.08 respectively, the…

A: Given Data⇒ Glass Transmissivity ζ=0.86 Reflectivity ρ=0.08

Q: One kind of optical storage medium is the Direct View Storage Tube (DVST).

A: Introduction A direct view storage tube (DVST) employs an electron gun and phosphor-coated…

Q: 5. The spectral distribution of the radiation emitted by a diffuse surface is ap- proximated in the…

A: Given spectral distribution is: We have to obtain the emissive power and the total intensity

Q: Is the wavelength within the microwave range? Determine the energy of each photon

A: (i). No , the wavelength is not within the microwave range (ii) E = 7.9512 * 10^ (- 26) Js

Q: Calculate the maximum contact exposure rate at the side surface of a 10-foot wide railcar loaded…

A: THE “6CE” EQUATION It Is sometimes necessary to estimate the exposure rate which can be expected…

Q: Black body radiation: At a wavelength of 0.6 mm, the black body emissive power is equal to 108W/m³.…

Q: 1. A glass window allows 95% of radiant energy between 0.32 <i< 2.6 microns to pass. Any wavelength…

Q: 1. For an opaque surface, the absorptivity (a) , transmissivi (A) a + p= T B) a + p+T = 1 C) α +ρ- 1…

A: Given Data : Opaque surface

Q: The strongest colors reflected in a thin film have wavelengths in the film equal to of the thinnest…

A: Optin C is answer in first question The brightest colors are those that interfere constructively…

Q: If the collector current IC= 7.95mA and the emitter current IE=8mA, then alpha calculates out to be:…

A: The collector current is IC=7.95 mA. The emitter current is IE=8 mA. The current gain α is the ratio…

Q: using a cable having a velocity factor of .65 what is the length in inches for 1/4 wavelength at…

Q: do In a measurement of the pp differential cross section, the result =0.111 b/steradian was obtained…

A: Ans Given Now the total scattering cross-section is Now for s-wave so,Now the differential…

Q: wave patterns

A: Introduction: A wave pattern is a vibrational example made inside a medium when the vibrational…

Q: antennas, thne Standard Absorption power by patient tissue is expected to be as follows: SAR(t) =…

A: The SAR function equation is given as, SAR(t)=2t+e0.1t+2. The time for calculated SAR function is…

Q: 2.a. What is the total Power emitted (in the form of electromagnetic radiation) by a solid…

Q: 40 W/m? of energy is incident on a body which has absorptivity value a=0.7, reflectivity p=0 and…

Q: 10- In transparent materiel the greatest part is * O absorptivity are equal O reflectivity…

Q: 40 W/m of energy is incident on a body which has absorptivity value a=0.7, reflectivity p=0 and…

A: Explanation about what is Absorptivity , Reflectivity and Transmissivity Absorptivity : the…

Q: In the finite element method, numbering of nodes and elements are important to make computational…

A: Given : To find : a) weakness in this mesh b) better mesh numbering

Q: 2. Using the data provided in the table below, determine the minimum temperature, T, above which,…

Q: Determine if the following AR processes are stationary. Assume that ɛ ~ WN (0,0²), where WN denotes…

A: Given the following three AR processes (a) Xt=2+0.2Xt-1+εt (b) Xt=3+0.2Xt-1+0.7Xt-2+εt (c)…

Q: Planck's radiation law is given as: 8thv³ I = n(v)ɛ =- c3 hv ekBT –1 8nhc = n(1)ē = 1 25 hc eAkgT –…

A: Planck's radiation law is given as: I= n(v)e= 8πhv³ C3 1 hv = n(X) = 8thc 1 hc (a) Show that it…

Q: For the DTFT spectrum shown in figure, find the value of centre of gravity of the signal x (n) X(@)…

A: Please find the solution below

Q: A triangular duct is shown in the figure. The base of the duct (surface 1) is maintained at a…

A: a) Equilateral triangle with length L F11=F22=F33=0 F12+F13=1 (1) F21+F23=1…

Q: In Rutherford scattering experiment, draw the trajectory traced by a-particles in the coulomb field…

A: (i) The trajectory, traced by the α-particles in the Coulomb field of the target nucleus, has the…

Q: incident as shown below. A в с D K,= 100 J/kg Muscle Bone

A: Composition is the mixture of two ingredients or elements. For different cast irons mostly silicon…

Q: An electric pole of circular cross section, with a bending stiffness &-5500 Nm and a damping ratio…

A: Solution: Given Data: k=5500 N/mξ=0.1m=280 kg To Find: (a) Maximum relative displacement of the…

Q: A 3-in-diameter cylindrical wire is coated in 3 inches of polyethylene insulation. The wire can be…

A: Given:D = 3 in = 0.0762 m (wire diameter)T1 = 300°C = 573 Kε1 = 0.85 (wire emissivity)T2 = 40°C =…

Q: Irradiation on a semi-transparent medium is at a rate of 640 W/m². If 160 W/m² of the irradiation is…

A: Given:Irradiation on a semi-transparent medium, I=640 W/m2Irradiation reflected, Ir=160…

Q: The spectral, hemispherical absorptivity of an opaque surface and the spectral distribution of…

Q: Consider the spherical enclosure in Figure QA6. Assuming that the surfaces A₁ and A₂ are diffuse,…

A: The following expression is derived using basic definition of view factor.

Q: Design a broadside uniform aray, with its elements placed along the z axis, in order the directivity…

A: As per BARTLEBY rules i answer only one question and first 3 subparts ,so i answered only first 3…

Q: A furnace with an aperture of 30 mm diameter and emissive power of 4x10^5 W/m^2 is used to calibrate…

Question

7) A standing wave pattern consisting of seven loops is observed on a 2.1 m long string fixed at both ends.
The wavelength, 2, is equal to:
(a) 0.6 m
(b)0.3 m
(c) 0.7 m
(d)0.35 m
8) Two strings, A and B, have respective mass densities µa and ug respectively. The linear mass density,
Ha, of string-B is nine times that of string-A (Hg = 9µa). If both strings have the same fundamental
frequency when kept at the same tension, then the ratio of their lengths LA/Lg is equal to:
(a)9
(b)3
(c) 1/3
(d) 1/9

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Question 7

Step 2

Question 8

Step 4

Step by step

Solved in 4 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.

Similar questions

Do 2,3
Assume a layer of fluid 2 separates fluid 1 from fluid 3. (a) Compare the pressure reflection coefficient for a plane wave traveling in fluid 1 that reflects normally from the layer with that for a plane wave traveling in fluid 3 that reflects normally from the layer. (b) Are the pressure reflection coefficients the same for the two cases? (c) Repeat (a) and (b) for the power reflection and transmission coefficients. (d) What do these results suggest in terms of energy transmission?
MATLAB PROBLEM
1. A glass window allows 95% of radiant energy between 0.32 < 1 < 2.6 microns to pass. Any wavelength outside of this range will not pass through the glass. Compute the energy rate passed through the glass window if the incident energy rate on the glass is 1200 W/m^2. 0.9 0.4 E0-a ot 0.4 0.2 0.1 15,000 AT(Micron-Rankine) S000 10,000 20.000 25,000 30,000 33,000 00 1.0 2.0 3.0 4.0 5.0 6.0 7.0 Amax Ans. 1026 W/m^2
4. The surface temperature of a planet is T, and the measured temperature is Tm (i.e. the temper- ature measured at the top-of-atmosphere based on the upwards flux Ft there). Assume radiative equilibrium. (a) Show that the infrared optical depth of the planet's surface 7 is related to the surface temperature T, and the measured temperature Tm by Calculate the infrared optical depth at the surfaces of (a) Earth, where T, = 300 K and Tm = 250 K. (b) Venus, where T, = 750 K and Tm = 230 K. (c) Mars, where T, = 240 K and T, = 220 K.
The tungsten filament of an incandescent light bulb has a temperature of approximately 3000 K. The emissivity of tungsten is approximately 1/3, and you may assume that it is independent of wavelength. To increase the efficiency of an incandescent bulb, would you want to raise or lower the temperature? (Some incandescent bulbs do attain slightly higher efficiency by using a different temperature.)
es Check my work Required information Irradiation on a semi-transparent medium is at a rate of 610 W/m2. If 160 W/m2 of the irradiation is reflected from the medium and 130 W/m2 is transmitted through the medium, Determine the absorptivity of the medium. The absorptivity of the medium is.
A hydrogen atom in its first excited (2p) state is placed in a cavity. At what temperature of the cavity are the transition probabilities for sponta- neous and induced emissions equal?
Define the absorption of radiation incident on an opaque surface of absorptivity α.
7. The emissive power of a blackbody, at 0.8 µm wavelength is measured as 1E5 W/m², µm. Find the blackbody temperature. [Ans. 1739 K]