Does the volume of the cavity exceed 50% of the total volume of the block

Q: The peak wavelength of radiation emitted by a black body at a temperature of 2000 K is 1.45 pm. If…

A: Given, Temperature T1 = 2000 K Peak wavelength of radiation emitted by body at T1 = λ1 = 1.45 μm…

Q: 2. Only one side of the wall of the room which is the one 12 meter in length are subjected to the…

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Q: What is the average or total emissivity of the given radiation shields? Note: the radiation shield…

A: GIVEN THAT : E1 = 0.02 E2 = 0.03 According to the details provided in the question, we need to…

Q: WHAT IS RADIATOR? how that system works; what processes are involved in its processes; and what are…

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Q: A concrete ball of radius 2.32 m and emissivity 0.620 is heated to 123°C. (a) Convert the given…

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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: A musical note on a piano has a frequency of 40 Hz. If the tension in the 2-m string is 308 N, and…

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Q: Q9) Define emissivity (E)?

A: The concept of emissivity is based on the concept of heat transfer and radiation.

Q: Show that the critical radius of a sphere is r. 2k ins.

A: According to the details provided in the question, we need to calculate the critical radius of a…

Q: Determine the intercepts for the following crystal planes: (610), (203) and (121)

A: Crystal planes are made up of crystal lattice structures. These lattices are three-dimensional…

Q: Two infinite black plates at 500°C and 100°C exchange heat by radiation. If another perfectly black…

A: Given:T1=500°C =773 KT2=100°C =373 K

Q: what are the limitations of a  total radiation pyrometer?

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Q: How many watts will be radiated from a spherical black body 15 cm in diameter at a temperature of…

A: Given that: diameter of the sphere = 15 cm Temperature = 900 oC It is required to determine energy…

Q: A musical note on a piano has a frequency of 40 Hz. If the tension in the 2-m string is 308 N, and…

A: Wavelength is λ=2L=2×2=4 m The velocity is v=Tμ           ..................(1) Here μ is the mass…

Q: 1. All radiations in a black body are

A: GIVEN DATA WE HAVE TO CHOOSE THE CORRECT OPTION FOR GIVEN STATEMENT IN QUESTION

Q: At the surface of the sun, the temperature is approximately 5800 K. How much energy is contained in…

A: The spectral density by wavelength for a given temp of blackbody B(λ,T)=2hc2λ51ehcλKBT-1 Where…

Q: discuss the optical properties (reflectance) of: 1.) fruit and vegetables 2.) grains

A: A material's optical property is defined as its interaction with visible electro-magnetic radiation.…

Q: The emissive power of a blackbody is P. If its absolute temperature is doubled, the emissive power…

A: Solution: Given dataEmissive power of black body (Eb)1 = P T1=TT2=2T

Q: A musical note on a piano has a frequency of 31 Hz. If the tension in the 2-m string is 308 N, and…

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Q: What is a black hole? Explain in detail

A: Black hole is a place in space where gravitational effects are very much high that even light can…

Q: The peak wavelength of radiation emitted by a black body at a temperature of 2000 K is 1.45…

A: Given data: The temperature of black body is T1 = 2000 K. The peak wavelength of radiation emitted…

Q: The peak wavelength of radiation emitted by a black body at a temperature of 2000 K is 1.45 um. If…

A: GIVEN DATA - λ1=1.45μm T1=2000K WE HAVE TO CALCULATE TEMPRATURE CORRESPONDING TO 2.90 WAVELENGTH

Q: if Planck's constant were smaller than it is, would quantum phenomena be more or less conspicuous…

A: A smaller Planck's constant would allow atoms to be smaller, due to smaller quantum…

Q: 4. In two concentric black cylinders, if 1 represents the outer surface of the inner cylinder of…

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Q: An object immersed in water at a depth of 1 m appears to be closer to the surface. Find the apparent…

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Q: The reflectivity of aluminum coated with lead sulfate is 0.35 for radiation at wavelengths less than…

A: The given value for the surface wavelength less than 3 μm is The given value for the surface…

Q: Define Stefan-Boltzmann Law and emissivity. Is there any surface whose emissivity value is greater…

A: 1.  Stefan-Boltzmann Law      It defines the rate of heat radiated from a black body in terms of its…

Q: The relation between the wavelength corresponding to maximum emission and the absolute temperature…

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Q: Show that in Bohrs theory, the frequency of photon emitted as the electron makes a transition from…

A: To proof

Q: A musical note on a piano has a frequency of 40 Hz. If the tension in the 2-m string is 308 N, and…

A:

Q: Determine the maximum CLF for glass window with interior shading located at north latitude and is…

A: Using ASHRAE Handbook

Q: The peak wavelength of radiation emitted by a black body at a temperature of 1000 K is 1.35 um. If…

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Q: As shown in the figure, the angle between two plane mirrors (M1 and M2) is 125°. If the incident ray…

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Q: The peak wavelength of radiation emitted by a black body at a temperature of 2000 K is 1.45 um. If…

A: Given data: The temperature of the black body is T = 2000 K. The peak wavelength of radiation…

Q: What is the definition of a black body?b) What is the flux from a black body at a temperature of 310…

A: Black Body We have known that all bodies emit electromagnetic radiation over a range of wavelengths…

Q: A musical note on a piano has a frequency of 45 Hz. If the tension in the 2-m string is 308 N, and…

A:

Q: Explain the blackbody radiation and its effect?

A: Heat is transferred by three phenomenon 1. Heat Conduction 2. Convection 3. Radiation

Q: A small 100 cd spring is located in the center of a spherical mirror with a diameter of 10 cm and a…

A: We have to done solutions

Q: The expected diffraction angle for the first-order reflection from the (310) set of planes for…

A: Given, The wavelength, λ=0.0711 nm

Q: Q.10. The intensity of the radiation from an object is found to be a maximum at 2000 cm-1. Assuming…

A: