1.10 The intensity of a collimated, parallel beam of potassium atoms is reduced 3.0% by a layer of argon gas 1.0 mm thick at a pressure of 6.0 x 10-4 mmHg. Calculate the effective target area A per argon atom. Answer: 1.10 A 1.4 x 10-14 cm²
Q: Needs Complete solution with 100 % accuracy don't use chat gpt or ai plz plz plz plz plz.
A: We uses the concept of thermal expansion to solve this problem Let us use a steel tape of suitable…
Q: Calculate the temperature at which a tung- sten filament with an emissivity of 0.23 and a surface…
A:
Q: A hotel wants to cover their water heating demand by solar energy. The hotel needs 1500 L· day] of…
A: The thermal energy required to raise the temperature from an initial value to final value is given…
Q: A magnetic circuit of silicon has a length L1=5 cm, cross section area A=120 mm² and L2=2cm long…
A: We have given L1 = 5 × 10-2 m A1 = 120 mm2 = 120 × 10-6 m2 L2 = 2 × 10-2 m A2 = 80 × 10-6 m2…
Q: Question 8. The filament of a light bulb has a surface area 64 mm2. The filament can be considered…
A:
Q: At 101°K the black body radiation weighs per cubic centimetre... 10A-6 gram O 10^-16 gram
A: Given Temperature (T)=1010 K
Q: A rock weighing 9.5 kg is been thrown from a tall building with an initial velocity of 65 mm/s. If…
A:
Q: Two spheres of same material have radii 1 m and 2 m are at temperature of 2000 K and 1000 K…
A: From Stefan-Boltzmann Law, the power (or energy per unit time) radiated by a blackbody of radius R…
Q: A blackbody's temperature may be estimated using the maximum intensity wavelength Amax of the light…
A: Given Maximum intensity wavelength is λmax=661 nm=661×10-9 m Formula From Wein's displacement law…
Q: Suppose someone is running a fever of 102.0° F (average being 98.6° F). How much more power (in…
A: The intensity of the radiation emitted by a hot body can be given by Stefan Boltzmann law as, Here,…
Q: .Calculate the specific absorptivity if the absorbance, A is 0.209, the path length of solution, b,…
A: (a) Given the absorbance of the solution is A = 0.209 The path length of the solution is b = 1 cm.…
Q: How many particles are present in a closed container if the energy it contains is (97505.45)J, and…
A:
Q: Predict the difference in energy between 1st and 2nd excited states of a 56.0 g tennis ball in a…
A:
Q: An incandescent light bulb with a surface area of 0.0136 m2 and an emissivity of 0.92 has a surface…
A: The net rate of radiation heat transfer between the bulb and the surroundings can be calculated…
Q: Calculate the mass of nitrogen present in a volume of 3000 cm' if the gas is at 22.0 °C and the…
A:
Q: If density of mercury is 13600 kg/m and g = 9.8 m/s². Find the energy of translation per cubic metre…
A: To find-Energy of translationGiven-Density of mercury=13600 kg/m3g=9.8 m/s2
Q: The figure shows (in cross section) a wall consisting of four layers, with thermal conductivities k₁…
A:
Q: C is in FARADS Calculate the values and fill out the blank in the table. Part 1 V Ra Rb C1 FHLP…
A: Solution:-
Q: Diameter of the disc = 110.3 mm Radius of the disc, r = .... .mm Area of disc = n r² = ....…
A: Given data- Diameter=110.3 mm Radius, r=Diameter2=55.15mm=5.515 cmArea A=πr2=95.50 cm2Mass of the…
Q: "he average solar radiation per day in Cincinnati in the month of December is 2.5 kWh/m²/day. he…
A:
Q: A substance of density 3461 kg/m³ comprises atoms with mass of 138 u. It supports longitudinal sound…
A: Given, Density,ρ=3461kg/m3Moleculr Mass,M=138u=0.138kg/molSpeed of light,c=3×108m/s We have the…
Q: What is the surface temperature of a star that has a radius m and emits power at a rate of 5.00 x…
A: According to Stefan's Boltzmann law Energy emitted by blackbody per unit area per unit time is…
Q: he count rate for a particular a source X is C0 on a detector placed 1 m from the source. When a…
A: Given that: x=5 mm C=(1-0.75) C0=0.25C0
Q: The temperature of a student's skin is 33.0°C. At what wavelength does the radiation emitted from…
A: Given data: Temperature T = 33.0 oC
Q: An incandescent light bulb with a surface area of 0.0145 m2 and an emissivity of 0.87 has a surface…
A:
Q: J J 1.5kg of solid Hibernium is at a temperature of 5°C. Hibernium has a melting point of 60°C, its…
A:
Q: Q1 1 In a process control experiment involving temperature measurement using RTD having a span of…
A: Answer..
Q: Collimated Laser Beam A (absorbance) a (1/cm) 0.5 o=1W/cm? 2 Medium (1 mm Thick) Modified Bear's Law…
A: Given: The initial incident of the light is I0=1 Wcm2. The thickness of the medium is l=1mm=0.1 cm.…
Q: The temperature of the human body is 37 deg C. The intensity of radiation emitted by the human body…
A: A blackbody will emit radiation in all wavelengths. But at a given temperature the maximum value of…
Q: A two-level system has N₁ = 6000 and N₂ = 4000 when the temperature is 500 K. Part A What is SE?…
A:
Q: r(cm) P(mW) 2.2 lo 15 O. 4 20 25 O. 2 Plot agraph between power and distance.
A: r (cm) Power (mW) 5 2.2 10 0.9 15 0.4 20 0.3 25 0.2
Q: A two level system has N1=6000 and N2=4000 when the temperature is 700K. What is SE?
A: The Boltzmann distribution is a statistical model that describes the distribution of energy levels…
Q: The count rate for a particular a source X is C0 on a detector placed 1 m from the source. When a…
A:
Q: A spherical infrared heater of radius 5.85 cm and an emissivity of 0.71 radiates 0.44 kW of power.…
A: Given Radius r=5.85*10-2m emmisivity e=0.71 power P=0.44*103W Stefan's constant σ=5.67x10-8 Wm-2K-4…
Q: Suppose a hot object radiates with the twice the intensity as the sun on earth, i.e. 2600W/m2. What…
A:
Q: Thermal emission from forehead. Noncontact thermom- eters are used to quickly measure the…
A: The thermometer measures the temperature of the person by measuring the amount of radiation in the…
Q: II Power A. Sample Problems: 1 W-500 Joules t=25 seconds P=? 1 P=25 watts W-5000 Joules t=? 1 P=170…
A:
Q: An argon-ion laser with a power of 5.2 Watt has a beam diameter of 13 mm. The laser beam strikes…
A: Given:Power of the laser beam (P) = 5.2 WattBeam diameter (D) = 13 mmMirror diameter (d) = 20…
Q: What is the rate of heat transfer by radiation from the skin of a person standing in a dark room…
A: Given that the value of ambient temperature and surface area and emissivity of skin and temperature…
Q: For CCI4, the viscosity at 0 ° C is 1.33 x 10-3 kg m-1 s-1 and the activation energy is 10.9 kJ…
A: Viscosity is a measure of a fluid's resistance to flow. Fluidity (φ) of a liquid (reciprocal of…
Q: The emissivity of the human skin is 97.0 percent. Use 35.0 °C for the skin temperature and…
A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…
Q: Find the theoretical Debye temperature of iron (Fe) if the speed of sound in Fe is 5130 m/s and its…
A: According to the given data we obtain the debye temperature 669K.
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 2 images