QUESTION 9 The wavelength of a laser beam in air is 630 nm (a) What is its frequency? and What is its wavelength in a material that has an index of refraction of n=2 (b) What is its speed in the material? and What is its frequency in the material?
Q: If the temperature of the interior of a refrigerator is 7° C and the ter perat is 27° C, what should...
A: temperature of the cooling end, Tc=7°C=280 KTemperature of the surrounding, TH=27°C=300 KThe coeffi...
Q: whe the umerical aperture of the fib t taken into account; and ( ) 0.172; (b) 0.17I
A: The relative refractive index difference is written as:- =(n12-n22)/2n12 ------(1) Where n1= refract...
Q: Calculate the entropy change for 3 kg of ice melting. Given Hf= 333.5 kJ/kgH20
A: The enthalpy of fusion of ice is given as : Hf=333.5kJ/kg For 3kg of ice melting, the heat required ...
Q: A 9,300-kg truck runs into the rear of a 1,000-kg car that was stationary. The truck and car are loc...
A: Given that:-Mass of the truck, mt=9300 kgMass of the car, mc=1000 kgVelocity of the truck, vtWhereas...
Q: O. What is the velocity of the above orbit at the true anomaly of 75 degrees V=2+e R
A: Given What is the velocity of the above orbit at the true anomaly of 75 degrees, as following below.
Q: Starting from the mathematical expression for the Stefan-Boltzmann 6) law: L = 4TR²O$BT*, where ØSe ...
A: The Hertzsprung-Russell diagram popularly known as the HR diagram in astronomy gives the relation be...
Q: Describe in a few lines the reasoning /rationale for consideration of copper mesh in face masks.
A: After the Covid-19 outbreak the whole world is forced to keep wearing face mask to get protection fr...
Q: m ave column closed at one end has Cength of apidy cm It rasonales eith leuning fork of frequency 30...
A: To find- Velocity of sound (V)=? Given- l1=44 cm=44×10-2 m l1=0.44 m This length is in union with th...
Q: Determine the state of water if P= 0.40 bar and T= 75.87 C. a. Superheated Vapor b. Mixture O c. Com...
A: Pressure, P=0.40 Bar=0.3947 atm Temperature, T=75.87 C The state of the water is given by the pressu...
Q: A mass, spring and a damper system is subjected to an external harmonic excitation of 200cos22t (N)....
A: Given, Ft=200cos22tk=4000 N/mm=10 kgc=40 N.s/mx0=0.1 mv0=0 m/s
Q: the rms voltage
A: Given, f= 15 kHz, I= 70 mA, V= 6.0 V
Q: A 75kg firefighter slides down a pole while a constant friction force of 300N retards her motion. A ...
A: Given that,Mass of firefighter : m = 75 (kg)Friction force : Ff = 300 (N)Mass of horizontal platform...
Q: 1) Are the wave patterns for various values of Ao and Ak same? If not, why? 2) Comment on the Phase ...
A: Given Are the wave patterns for various values of ∆ω and ∆k the same. If not, why. Comment on the Ph...
Q: Om = arcsin(0.5). out
A: In Lambertian surface as, Pbdθo,φo,θi,φi=Lox,θo,φoLix,θi,φicosθidω In point P, the irradiance as, dφ...
Q: 0.25 m Air Oil (sg = 0.85) 0.50 m %3D 0.75 m Water 1.8 m 1.2 m Figure 3.24 shows a closed container ...
A: Solution:-Given thatAir at 34 kPa below atmospheric pressure above the oilSpecific gravity of oil=0....
Q: is made in the shape of a ring. W. 1 Ona = arcsin(0.5). out
A: For a Lambertian surface Pbdθ0 ,φ0 ,θi ,φi=L0 x,θ0,φ0 Li x,θi ,φicosθidω For a point P the irradianc...
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A: When the transformation is applied to the vector, eigenvalues are numeric scalars equal to the resul...
Q: uestion Three: The Bragg scattering angle for n=1 from the (110) planes in iron (bcc) is (0-22°) for...
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Q: -29 +q (2) What is E in magnitude and direction at the center of the square shown in the figure? Ass...
A: Concept: To Determine the Electric Field t the Center of the Square, we will first see the Magnitude...
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Q: Instead of a commutation relation lâ, â†] = 1, which is true for photons, assume that the %3D creati...
A: Eigenvalues are scalars that correspond to linear transformations of the matrix; they can be viewed ...
Q: A 25.0-g object moving to the right at 20.0 cm/s overtakes and collides elastically with a 10.0-g ob...
A: The problem is based upon the concepts of collision. To solve this we have to use the law of conserv...
Q: the conseculive haumonics of an aie column closed at one end aue 405 tfx. and st5tfe uespeclively Fi...
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Q: Two identical waveguides are spaced by 64 um with a coupling coefficient of 0.0013 um Calculate the ...
A: Length of the coupler is given by, L0=π2K Here K is known as the coupling coefficient and L0 is the ...
Q: If we have a body moving with an amplitude of 8 cm and a frequency of 1.25 hertz, then its angular a...
A: The amplitude of the body is given as, A=8 cm (or) A=0.08 m. The frequency of the body is given as, ...
Q: Data Table #2 Data Table #1 Cumulative Data (data added together at each time interval) Interval Dis...
A: Given, Total time (s) Total distance from the start You (m) Total distance from the start ...
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A: Lets consider two events, The space time interval between these two events can be determined by,∆s2=...
Q: A guitar string 69 cm long vibrates in its second overtone at 600 Hz (a) What is the wavelength of t...
A: Given that:-Length of guitar string, L=0.69mWe know that,Wavelength of second overtone, λ= Length of...
Q: CK IS rcle at a constant spe at the three o'clock p sion is 17 N. Find the when the ball is (a) at
A: Initially, at 3 o`clock position sum of radial forces as, T3= mv2/r = 17N
Q: Two point charge Q1 = +3 µC and Q2= +2 µC are located 4.0 cm apart. Another charge, Q = -2 µC is now...
A: Q1 = + 3 μC Q2 = + 2μC Q = - 2 μC Distance between Q1 and Q2 is d = 4.0 cm = 0.04 m
Q: The equation of a transverse wave on a stretched wire is y = 2 sin 2 ( 0,01 30 where x and y are in ...
A: Wave propagation refers to any of the methods by which waves travel. We can distinguish longitudina...
Q: 3. A bus travels 400 m between two stopes. It starts from rest and accelerates at 1.5 m/s? until it ...
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Q: An aerobatic airplane with nmax = 7 performs a perfect circular looping of radius R = 89 m. Assume t...
A: The planes fly through the air because of newton's third law of motion. The inclined wings moving fo...
Q: the two objects touch. Use a diag 2. What will happen when the two objects touch. Use a diagr
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Q: A moving coil galvanometer of resistance 100 ohm gives a full scale deflection of 50 divisions for a...
A: Given that:-Galvanometer having resistance, G=100ΩCurrent, Ig=25mAFull scale deflection of 50 diviso...
Q: What is the time constant of an RC circuit that contains two resistors connected in series with a si...
A: Consider two resistors are connected in series with a capacitor
Q: Show that if  is a Hermitian operator in a function space, then so is the operator Ân, where n is a...
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Q: For the figure shown, determine the Area, A. b=300 mm d=140 mm h=382 mm h b O a. 93960.00 sq.mm O b....
A: Hey dear this related to triangle and rectangle Have a look
Q: The M.I. of solid sphere about its diameter is= MR? where (M) is the mass and (R) is its radius. Det...
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Q: juestion Three: The Bragg scattering angle for n-1 from the (110) planes in iron (bcc) is (0-22°) fo...
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Q: 0. The particle experiences no potential energy inside the box. The walls of the box are infinitely ...
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Q: A bottle of saline solution (with a density of 1020 kg/m^3) is attached to a 1.2 m long piece of tub...
A: Density d = 1020 kg/m3 length of the pipe is L = 1.2 m Inner diameter is 1 cm Therefore , Radius r ...
Q: If the Resultant force acting on the bracket shown in Fig. 2b is to be 950N directed along the posit...
A: Given Data The resulatant force acting on the bracket is:FR=950 N To find The magnitude of force F...
Q: Date: /20 Frem Using shell models sketch eneszy level dizraim of 35AX chd 4asc. Find all hotseble sp...
A: For A1835r,Number of proton p=18number of neutron n=35-18=17 (odd -even nuclei)Order of filling of ...
Q: 3. The spectral emissivity function of an opaque surface at 7(K) is approximated as (2E1 Osa<4 um 38...
A: Given: The temperature is 1000 K. The spectral emissivity function is ελ=2ε1 ...
Q: 19. A jet aircraft has 6 of its identical jet engines working together. The rate at which th ws into...
A: Given: The mass flow rate is 576 kg/s. The initial velocity of the fluid is 4.3 m/s. ...
Q: An electric canon fires a shell at initial velocity of 20 m/s and an angle of 20 degrees. If the mas...
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Q: List two semiconductive materials.
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Q: Two charges lie in a line along the x axis. Charge I is q=13 C and charge 2 is q2 = Z.1 C. They are ...
A: Solution: Let x0 be the distance from the origin, where the net electric field is zero. Now the elec...
Q: For a reaction of conversion of ATP into ADP at 20⁰C, calculate the reaction Gibbs free energy. Give...
A: Here, We have,Enthalpy ∆H =20.27 KcalEntropy ∆S = 85 cal/KelvinT =20°C =273+20 =293 K
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