Description : The unity of Planck's constant 'h' in the equation, E = hv is (A) J/s (B) J.S (C) J/kmol (D) kmol/J
Last Answer : (B) J.S
Description : 2) To achieve its marketing objectives, Johnson & Johnson has formulated a set of marketing strategies. This set of strategies is J & J's A)corporate strategy. B)marketing programme. C)overall strategy. D)marketing tactic. E)strategic plan.
Last Answer : B)marketing programme.
Description : The SI unit of Planck’s constant is a) Joule – Sec-1 b) Joule – Sec-2 c) Joule – Sec d) Joule – Sec2
Last Answer : c) Joule – Sec
Description : Out of the following pairs, which one does not have identical dimension? (1) Moment of inertia and moment of a force (2) Work and Torque (3) Angular momentum and Planck's constant (4) Impulse and Momentum
Last Answer : (1) Moment of inertia and moment of a force
Description : Planck's constant was first introduced in order to obtain a correct theoretical prediction of: w) the distribution of frequencies occurring in black body radiation. x) the energy produced by the transformation of mass into energy. y) the speed of light. z) lifetime of the neutron.
Last Answer : ANSWER: W -- THE DISTRIBUTION OF FREQUENCIES OCCURRING IN BLACK BODY RADIATION
Description : What is the DeBroglie wavelength of a 1,200 kilogram corvette traveling at a rate of 25 meters per second? Planck's constant is equal to 6.62 x 10-34 Joule-seconds. w) 5.3 x 10-32 meters x) 5.9 x 10-34 meters y) 2.1 x 10-38 meters z) 1.6 x 10-40 meters
Last Answer : ANSWER: Y -- 2.1 x 10-38 METERS
Description : What is Planck's constant?
Last Answer : Planck's constant describes the ratio between the energy of an electromagnetic wave and the frequency of that wave.
Description : What is the physical significance of Planck's constant?
Last Answer : Planck's Constant signifies the Photon Charge, and the Aether of "free space'. Photon energy is E=hf =hc/r = Q2zc/r and Q is the photon charge in Coulombs.. Planck's Constant is also related to the free space impedance ... 4)2= 1/2(.12)2= 1/2 (.0144)=7.2E-3. I believe that the electron is an effect
Description : The energy of the photon is ∙ a. Directly proportional to its bandwidth ∙ b. Directly proportional to the Planck’s constant ∙ c. Directly proportional to Boltzmann’s constant ∙ d. Inversely proportional to the Planck’s constant
Last Answer : Directly proportional to the Planck’s constant
Description : The product of uncertainties of two physical observables must be approximately equal to a)Coulomb’s constant K b) Rydberg’s constant R c)Planck’s constant d)All of the above
Last Answer : c)Planck’s constant
Description : he dipole magnetic moment (μ) is directly proportional to nuclear spin (I), connected by a constant called the A. Gyromagnetic ratio (γ) B. Planck's constant (h) C. Nuclear susceptibility (χ) D. Chemical shift (δ)
Last Answer : Gyromagnetic ratio (γ)
Description : Planck's universe, cube or sphere?
Last Answer : The problem with spheres is they don’t pack tightly together; they leave odd spaces in between which presumably cannot be smaller than the Planck length.
Description : Would one of you techie folks be able to change Dr. J's hat to one that has the letter A on it, in honor of the late great Auggie?
Last Answer : And possibly change the candy cane to a whip?
Description : Is O.J's 33 yr. sentence for armed robbery correct, if not, why did it stand?
Last Answer : There were a lot of charges. A few years for this, a few for that, and it adds up to 33 years.
Description : Should firefox be running js and xml files? And should it have a chrome folder?
Last Answer : I would bet money that something is funky with your profile. Since you didn't specify what OS you are using you can try to find it. I would start here. Close Firefox and move the profile folder to ... old one. You will loose all your bookmarks and passwords. That Is why I suggest saving the old one.
Description : What is the full form of JS ?
Last Answer : JS 's full form Jatiya Sangsad.
Description : How to make a dynamic table in JS to display names based on Weekend dates?
Last Answer : I suggest you to create a js function. The array will be a parameter of the function (this way you can use it with multiple variables). So it will look something like this: function loadTable(names) { for(let ... var array = ["one", "two", "three", "four"]; loadTable(array); //calling the function
Description : What are the Criteria for Choosing Between Node.js and Python?
Last Answer : Architecture - node.js Speed - node.js Syntax - python Scalability - node.js Extensibility - a tie Libraries - a tie Universality - a tie Learning curve - node.js Community - a tie Apps it is best suitable for - a tie Node.js wins
Description : Why you really choose Angular JS development?
Last Answer : With evolving mobile and web technologies, there is a new addition everyday in the technology pier. Angular JS is one such technology that has taken the web application industry to a different ... being built ready for unit testing. This makes Angular JS a very powerful language for development.
Description : Calculate the speed of the electron in the first Bohr orbit given that `h=6.6xx10^(-34) Js, m=9.11xx10^(-31) kg` and `e=1.603xx10^(-19) C`.
Last Answer : Calculate the speed of the electron in the first Bohr orbit given that `h=6.6xx10^(-34) Js, m=9.11xx10^(-31) kg` and `e=1.603xx10^(-19) C`.
Description : What is the purpose of passing of key in js prom?
Last Answer : none
Description : It js strongly recommended that the data be _____. a) presented graphically b) non of above c) presented visually d) both A&B are correct
Last Answer : presented graphically
Description : Molar gas constant has value A. 7 J mol-1 K-1 B. 8 J mol-1 K-1 C. 8.31 J mol-1 K-1 D. 5 J mol-1 K-1
Last Answer : 8.31 J mol-1 K-1
Description : What is Planck's equation?
Last Answer : The relation between the energy (E) of a photon and the frequency (v) of its associated electromagnetic wave is called the Planck relation or the Planck--Einstein equation:E = hvh is the Planck constant which as a value of about 6.626 * 10-34 J*s (a very very small number)
Description : Bohr's theory of fixed orbits contradicts (a) Coulomb's law (b) Planck's theory (c) de Broglie relation (d) Uncertainty principle
Last Answer : Ans:(d)
Description : The statement that "maximum wavelength of radiation is inversely proportional to the temperature" is __________ law. (A) Stefan-Boltzmann’s (B) Planck's (C) Wien's displacement (D) None of these
Last Answer : (C) Wien's displacement
Description : Planck's distribution law is valid for __________ bodies. (A) Black (B) White (C) Coloured (D) All (A), (B) & (C)
Last Answer : (C) Coloured
Description : Which one gives the monochromatic emissive power for black body radiation? (A) Planck's law (B) Kirchhoff’s law (C) Wien's law (D) Stefan-Boltzmann law
Last Answer : (A) Planck's law
Description : Stefan's block body radiation law can also be derived from __________ law. (A) Kirchoff’s (B) Planck's (C) Fourier's (D) None of these
Last Answer : (B) Planck's
Description : The ratio of the total emissive power to the absorptivity for all bodies is same at ther-mal equilibrium". This is __________ law. (A) Kirchoff’s (B) Planck's (C) Wien's displacement (D) Stefan-Boltzmann
Last Answer : (A) Kirchoff’s
Description : At Equilibrium, the radiation emitted must equal the radiation absorbed. a. Boyle’s Law b. Planck’s Law c. Kirchoff’s Law d. Joule’s Law
Last Answer : Kirchoff’s Law
Description : Kelvin-Planck’s law deals with A. conservation of work B. conservation of heat C. conversion of heat into work D. conversion of work into heat
Last Answer : Answer: C
Description : When two bodies are in thermal equilibrium with a third body, they are also in thermal equilibrium with each other. This statement is called A. Zeroth law of thermodynamics B. First law of thermodynamics C. Second law of thermodynamics D. Kelvin Planck’s law
Last Answer : A. Zeroth law of thermodynamics
Description : According to Kelvin-Planck's statement of second law of thermodynamics, A. it is impossible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work B. it ... other than the transfer of heat from a cold body to a hot body D. none of the above
Last Answer : Answer: A
Description : Kelvin Planck’s law deals with (a) conservation of heat (b) conservation of work (c) conversion of heat into work (d) conversion fo work into heat (e) conservation of mass.
Last Answer : Answer : c
Description : If I calcuate "energy per m^3", do I express the unit for my answer as "J" or "J/m^3"?
Last Answer : You will need to express this as J/m^3 to be fully correct, but it seems the answers assume it is not necessary because the question states ‘per m^3’.
Description : The value of gas constant (R) in S. I. units is A. 0.287 J/kgK B. 2.87 J/kgK C. 28.7 J/kgK D. 287 J/kgK
Last Answer : Answer: D
Description : The value of the product of molecular weight and the gas characteristic constant for all the gases in S.I. units is (a) 29.27 J/kmol°K (b) 83.14J/kmol°K (c) 848J/kmol°K (d) All J/kmol °K (e) 735 J/kmol °K.
Last Answer : Answer : b
Description : In S.J. unit, one ton of refrigeration is equal to (a) 210 kJ/min (b) 21 kJ/min (c) 3.5 kJ/min (d) 2.4 kJ/min
Last Answer : Ans: a
Description : What is the unit of gravitational constant G ?
Last Answer : The unit of gravitational constant G is Nm ^ 2kg ^ -2
Description : Bernoulli's principle states that, for streamline motion of an incompressible non-viscous fluid: A. the pressure at any part + the kinetic energy per unit volume = constant B. the kinetic ... + the kinetic energy per unit volume + the potential energy per unit volume = constant
Last Answer : the pressure at any part + the kinetic energy per unit volume + the potential energy per unit volume = constant
Description : 1m3 of an ideal gas at 500 K and 1000 kPa expands reversibly to 5 times its initial volume in an insulated container. If the specific heat capacity (at constant pressure) of the gas is 21 J/mole . K, the final temperature will be (A) 35 K (B) 174 K (C) 274 K (D) 154 K
Last Answer : (C) 274 K
Description : A perfect gas has a value of R= 319.2 J/ kf.K and k= 1.26. If 120 kJ are added to 2.27 kf\g of this gas at constant pressure when the initial temp is 32.2°C? Find T2. a. 339.4 K b. 449.4 K c. 559.4K d. 669.4K formula: cp = kR/ k-1 Q= mcp(T2-T1)
Last Answer : 339.4 K
Description : There are 1.36 kg of gas, for which R = 377 J/kg.k and k = 1.25, that undergo a nonflow constant volume process from p1 = 551.6 kPa and t1 = 60°C to p2 = 1655 kPa. During the process the gas is internally stirred and ... (Formula: T2= T1p2/ p1) a. 999 K b. 888 K c. 456 K d. One of the above
Last Answer : 999 K
Description : The expression 1/√2 (i + j) is a (A) unit vector (B) null vector (C) vector of magnitude (D) scalar
Last Answer : The expression 1/√2 (i + j) is a (A) unit vector (B) null vector (C) vector of magnitude √2 (D) scalar
Description : P = i + 2k and Q = 2i + j -2k are two vectors, find the unit vector parallel to P x Q.
Last Answer : P = i + 2k and Q = 2i + j -2k are two vectors, find the unit vector parallel to P x ... find the vector perpendicular to P and Q of magnitude 6 units.
Description : i and j are unit vectors along X-axis and Y-axis respectively. What is the magnitude and direction of the vector i + j and i - j?
Last Answer : i and j are unit vectors along X-axis and Y-axis respectively. What is the magnitude and direction of the ... directions of (i + j) and (i - j)?
Description : A calorie is a unit of heat and it equals 4.2 J, where 1 J = kg m^2 s^-2. A distant civilisation employs a system of units in which the units
Last Answer : A calorie is a unit of heat and it equals 4.2 J, where 1 J = kg m2 s-2. A distant ... energy. What will be the magnitude of calorie in their units?
Description : Show that vector A = (i - j)/√2 is a unit vector.
Last Answer : Show that \(\vec{A} = \frac{\hat{i} - \hat{j}}{\sqrt{2}}\) is a unit vector. vector A = (i - j)/√2
Description : The unit of heat transfer co-efficient in SI unit is (A) J/M2°K (B) W/m2°K (C) W/m°K (D) J/m°K
Last Answer : (B) W/m2°K