:Compare between Stimulated Emission and Spontaneous Emission Follows Higher energy Needs no Need energy to (as a total output) Boltzman's energy to starts starts distribution Spontaneous Emission Stimulated Emission

Q: 5.7 A pipe with a 2 m diameter carries water having a velocity of 4 m/s. What is the discharge in…

A: The flow rate from a pipe is given by Q˙ = A×v, where Q˙ = flow rate or discharge per second A =…

Q: Arbitrarily starting at a height of 50 km above the surface of the Earth, answer the following…

A: Answers-

Q: The least count of the main scale of a screw gauge is 1 mm. The minimum number of divisions on its…

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Q: can you give a conclusion about your final answer or give a description about your solution why the…

A: We have given two different closed loop with different resistors and emf. We have to find currents…

Q: In AABC, the measure of ZC%3D90°, the measure of ZA=47°, and BC 3.5 feet. Find the length of AB to…

A: Solution:   From the above-given triangle:

Q: What is the difference between an operational definition and theoretical definition? Provide…

A: 2. A theoretical definition gives the importance of a word as far as the theories of a particular…

Q: The diameter of a Cu atom is 2.50pm. How many Cu atoms would need to be placed side-be- side to…

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Q: he radius of the atoms of a material crystallized in a volume-centered system is H A. Calculate the…

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Q: The density of iron is 8 grams per cubic centimeter. The atomic mass of iron is 56 grams per mole…

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Q: (a) Let s(t) be the amount of salt in the tank at time t. Find a differential equation governing…

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Q: There is 2 m^3 of some gas with density 0.9 kg/m^3 The volume of gas was increased by factor of 2,…

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Q: Find the mass of a thin wire lying along the curve r(t) = /2ti+ 5t j+ (7-t) k, 0sts1, if the density…

A: In this question we have to find the mass of the thin wire lying along the curve r(t). Please give…

Q: In a water tank there are four taps, the first one adds water at 5 L/s the second at 6t L/s; the…

A: Given: The rate at which the first tap fills water, R1= 5 L/s. The rate at which the second tap…

Q: The radius of a neutron is approximately 0.8fm. Estimate its density stating any assumptions you…

A: Data given in the question , Radius of the neutron , r =0.8 fm=0.8×10-15 m Clump of neutron radius…

Q: A study room has dimensions of 8 m by 10 m and 3.5 m tall. The air in the room is to be exchanged 7…

A: Given: dimension of room: 8 m × 10 m × 3.5 m velocity of air, v = 8.3 m/s time taken to remove air 7…

Q: (a) Compute the order of magnitude of the mass of a bathtub half full of water. (b) Compute the…

A: Assume the volume of the bath tub is around V = 0.160 m3. The density of the water is Ꝭ = 1000…

Q: (1) A typical bacterium has a mass of 1 picogram (1 × 10-¹2 gram). Calculate the mass of a mole (or…

A: Mass of bacterium m= 10^-12gm.

Q: Our neighbour is asking us for the length of the shortest ladder that is able to reach the house by…

A: The height of the fence: h2=8 m The distance between the fence and the vertical wall: d1=3 m

Q: :When Deciding a Tolerance the size of the shaft and hole should be taken into consideration…

A: Answer:-  (1)The size of the shaft and hole should be taken into consideration :- Tolerance is the…

Q: In a Measurement ,the Expected value is 64 V and the measured value is 62 V. Find (i) Absolute error…

A: A measuring instrument always measures the result with some uncertainty. This uncertainty is called…

Q: т mi is found to be 14 at a speed of 88. What is the expected fuel economy at a gal hr speed of 58mi…

A:

Q: Problem 1: (a) Ã= 3â – 2ŷ, B = 4ây – 5ŷ. Ã · B =? Answer: 22 (b) Ã = -2ô + 4, B = 3â – lŷ. Ả.B =?…

A: Problem 1: (a). Given data A→=3x^-2y^B→=4x^-5y^ Thus, A→·B→=3x^-2y^·4x^-5y^=12+10=22 Thus, A→·B→ is…

Q: I'm trying to convert m/s to square root C x V / kg and I need specifics.

A:

Q: Dimensions of force constant are (a) [M' L° T-21 (b) [Mª L° T-2] (c) [M° L' T-2] (d) [ML T2I

A: We know that  The expression for force constant is written as           K =  F/ X  Where, F= Force…

Q: Commercial Formulations (weights) How many ounces of 15-30-15 must be added to 5 gallons of stock…

A: The given is must be added to  gallons of stock solution if    gal is recommended and a  hozon will…

Q: A football field with an area of ​​120m x 60m is intended to be lit at night with 1000 W lamps,…

A: Given: The area of the football field is 120 m×60 m.             The power is 1000 W.…

Q: The amount of heat needed to reduce the temperature of 1.5 kg of water from 5°C to 15°C is (note…

A: The initial temperature is T1 = 5 C The final temperature is T2 = 15 C mass of water m = 1.5 Kg…

Q: A uniform density sheet of metal is cut into the shape of an isosceles triangle, which is oriented…

A: Consider the whole triangle and the small inner triangle with the slice as the base. These are…

Q: what equations can i use to find mass density of 2 samples that are identical? Volume is 2.2cm^3 and…

A: Mass density of a sample can be calculated using equation , density = MassVolume

Q: (a) Define the function C(t) = M(t)e – é, teR Show that C(t) = M'(t)e' + M(t)e – é (b) Use (a) and…

A: Given quantities: C(t) = M(t)et - et…

Q: One mole of Gold (Au) atom has a mass of 197 g. We know that the density of gold is 19.30 g/cm3 in…

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Q: Sarah drove her car a distance of 506.7 km, and used 50.1 L of gasoline (petrol). What is her fuel…

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Q: (c) For a special whole life insurance issued to (40), you are given: Benefit is payable at the…

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Q: (a) What is the volume (in km3) of Avogadro’s number of sand grains if each grain is a cube and has…

A: The side of the sand grain, l=1 mm=1×10-3 m   The width of the beach, b=100 m   The depth of the…