Q. 23 : The universal gravitational constant has the dimensions. (a) [M, L-3 T*] (b) [m-1 L³ T-²] (c) [M-' L-3 T] (d) [m' L³ T²]
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A: Given, ω1=30 rad/sω2=60 rad/sω3=90 rad/sω4=120 rad/sω5=150 rad/s
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Q: Calculate the ratio of spontaneous emission to stimulated emission if the wavelength of radiation em...
A: Since we only question up to one question, we will solve the first question only. Please resubmit th...
Q: We have a gas whose initial temperature is 328 K, its final volume is 3.75 l, and its ratio constant...
A: Given, Initial temperature,T1=328K Final Volume, V2=3.75L Let the initial volume is V1 and final tem...
Q: Two photons, each with an energy of 3 Mel, collide aunihilale to produce . head -on and an elee elec...
A: Solution: The collision between the two photons creates electrons and positrons pairs. The is an exa...
Q: You have an isotope with a decay constant of 2.48x 10-3s-1. What is the half-life of this isotope?
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Q: a) Calculate the capacity and energy storage of the anode material LizS Data: Mr (LizS) = 45.95, Ar ...
A: Given: M(Li2S)=45.95 Ar(Li)=6.941 Voltage=2.2 V
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A: Here we have to use simple concepts of linear motion. Airplane in moving in X direction so it has sp...
Q: If the electron is positioned in the region of width 10-12 m then calculate the time constant of the...
A: The width of the region in which the electron is positioned can be related to the wavelength of the ...
Q: The radiant energy density (ρν) for the blackbody radiation is given by (see image below) where ρν d...
A: Given: 1. Temperature of blackbody = T= 5776 K2. Frequency = ν = 3.5×1014 s-1
Q: A nucleus AX has a 2* first excited state at 1.369 MeV and a 4* second excited state at 4.476 MeV. A...
A: Given: A nucleus has a first excited state 2+at 1.369 MeV The nucleus has a second excited state 4+ ...
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A: For a plane mirror, the image distance is equal to the object distance, and the image generated is i...
Q: The speed of light c in a vacuum is 2.997 × 108 m/s. Given that the index of refraction in fresh wat...
A: Answer : We know if the refractive index of a medium is n and the speed of the light in that medium...
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A: Given that the potential of the one dimensional well as, The hamiltonian is given as H'=Vo
Q: 10.A curvilinear path is given as e-* x2 + y3 /27 = 27 . A particle is moving on this path at a cons...
A: The equation of the curvilinear path is given as : e-xx2+y327=27 Let us put y=3 in the above equati...
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Q: for the current segment shown below, if A(1,0,0), B(6,0,0), I=12 A. The magnetic field at P(-1,0,3) ...
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Q: Calculate the approximate temperatures at which the following energy storage modes of a nitrogen mol...
A: We know that,thermal energy corresponding to the energyE=12kTk is Boltzman constantk=8.617×10-5eV/Kh...
Q: If a current 1=15 A is distributed uniformly over the conical surface of angle 0=60° as shown below,...
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Q: Show that when a ray of light is incident on the surface of a transparent medium at polarizing angle...
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Q: An air column L =1.97 m in length is open at both ends. The frequency of a certain harmonic is 410 H...
A: Hey there, since you have asked a question with multiple sub parts. We have answered the first two p...
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Q: A. Explain how a complex wave is generated. B. What is the main difference between a simple wave for...
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A: Given: The weight of rock is W=mg=25 N (25/10=2.5 kg) Acceleration is 10 m/s2 Rock's mass is 2.5 kg ...
Q: . The earth attracts a body of mass 2 kg on its surface w (a) 9.8 N (b) 19.6 N (c) 6.67 x 101" N (d)...
A: Mass of the body=2 Kg Gravitational acceleration acting on the body, g=9.8 m/s2 The gravitational fo...
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A: We have given data from the question is, m = 0.5 kg , v = 1...
Q: 4. The radiative transfer equation is written as, dl, ds -a,l, + ju. Show that this equation 1 can b...
A: Let us consider an emitting region from the source with radiation coming towards the observer, repre...
Q: What is the temperature at which a black body radiates heat at the rate of 1 kilowatt per unit area ...
A: The Stefan-Boltzmann law states that the radiant power of an object in thermal equilibrium is propor...
Q: For the electric potential distribution shown below, if the peak voltage value A=4.5 V, the electric...
A: The graph can be said to be almost linear from x=2m to x=4m. Thus, the value of the electric field a...
Q: The motor and the pulley system shown in the figure below lifts the block 50 kg block A. If the spee...
A: Given,mass of block A = 50kginitial velocity u=0v=3m/st=5sv=u+at3=0+aA×5aA=35m/s2
Q: A team of engneering students design a catapault so that the ball falls inside the box. If the initi...
A: Concept used: Ball is given horizontal velocity and is under influence of gravity alone. Hence, it c...
Q: 1. Find V1 and V2 in the circuit. 4 ohm R1 V1 VS1+ 10 V 8 V tvs2 2 ohm R2 V2
A: Given to find V1 and V2 in the circuit using KCL and LVL laws. KCL : The sum of all currents that en...
Q: A circular coil has an 11.2 cm radius and consists of 29.0 closely wound turns of wire. An externall...
A: Given that, A circular coil has an 11.2 cm radius, R=11.2 cm =0.112 m 29.0 closely wound turns of w...
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A: Given that,The radius of the road : r = 195 (m)The banking angle : θ = 19°The coefficient of static ...
Q: 1.How much energy does a 100-W electric bulb consume in two hours?
A: “Since you have asked multiple question, we will solve the first question for you. If you want any s...
Q: (3686)J/3097)+ (3686) J/4(3097) + spin-0 superpositions c
A: Given that the two reactions involving the decay of a meson. The quantum number which is related to ...
Q: What is the relative number of atoms in the ground state to the first excited state at 10^4 Kin the ...
A: By using the relative number formula Energy of the hydrogen,E1=-13.612=-13.6 eVIn first excited stat...
Q: A nucleus AX has a 2* first excited state at 1.369 MeV and a 4* second excited state at 4.476 MeV. A...
A: Given: Energy of the first excited state=1.369 MeV Energy of the second excited state=4.476 MeV Calc...
Q: explain what happens to the can in the collapsing pop can experiment using concepts about fluids
A: Collapsing pop Can Experiment The empty soda can was crushed in this experiment to study simple sci...
Q: While a battery is still connected to a parallel plate capacitor, the distance between the capacitor...
A: Solution:-Given thatParallel plate capacitorFinal distance between the capacitor plates (d2)=12×Init...
Q: Air at 10.0°C and normal atmospheric pressure is used to inflate the tires in an automobile. When in...
A: Given that, V2=0.18 V1T2=43.5°C=43.5+273then, T1=10°C=10+273 The law of idea's lawPV=nRt⇒P2V2P1V1=T2...
Q: The magnetic field component of an EM wave propagating in the +y direction in sea water (&r = 80, µr...
A: Given: H=0.1 sin (1010πt-π3)ax A/m εr=80μr=1σ=4Sm ω=1010π rad/sec
Q: What is the rate of thermal radiation emitted from a star with a radius of 2.310x 109mand a surface ...
A: A blackbody is considered as an ideal physical body which will absorb and emit all the radiations wh...
Q: Define availability. For open system and closed system with the help of dead state, formulate useful...
A: The energy available in a system that can be converted into work is called availability. It is the m...
Q: The equipartition theorem of energy in classical statistical mechanics says that the contribution to...
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Q: If a 0.85km (at 0°C) section of a straight railroad track made of steel is assumed to behave as a si...
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