What is observed when a noble gas is heated
Q: rom the data shown in the image, the value of Oc is: 17₂ Do 30⁰ 6 n₁ = 1.49 11₂
A: To find the critical angle above
Q: What is the wavelength of light (in meters) corresponding to the transition between the 1 and 5…
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Q: If a neutral hydrogen atom has an electron in the second energy level is the atom in its ground…
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Q: What is the angular momentum of an electron in the third orbit of an atom?
A:
Q: If a cannonball and a BB have the same speed, which has the longer wavelength?
A: Given: Cannon ball and BB ball
Q: What principal advantage does an electron microscope have over an optical microscope?
A: Given: electron microscope , optical microscope
Q: What happens to an electron when a photon hits it?
A: As per Compton effect, when a photon strikes an electron at rest, some of its energy is lost to the…
Q: what is the difference between a photocell and a photodiode?
A: Photocell: It is Light Dependent Resistor 'LDR'. This device is based on photovoltaic effect or…
Q: 1.0 How many turns should a coil with a diameter of 50 mm needs to generate 24 v of electricity when…
A: The electromagnet has 200 turns, let n=200The current through the electromagnet is, I=3 AThe…
Q: We hear the expression “taking a quantum leap” to describe large changes. Is the expression…
A:
Q: Does an electron in an atom move at all?
A: Explanation: An electron in a stable atomic state does not move in the sense of waving through…
Q: What is referred to the electron in the outer orbit?
A:
Q: Element Sodium Potassium Strontium Calcium Magnesium Strontium Mercury Arsenic Color
A:
Q: In what specific way does light from distant stars and galaxies tell astronomers that atoms…
A: Every element emit a specific light which contain a specific wavelength. The different element have…
Q: True or False: Matter in a solid or liquid state producesan emission spectrum that is characteristic…
A: To determine the statement is true or false
Q: Detemine the velocity of an electron in Bohr's H atom for a quantum state n. (HINT: you will leave…
A: The centrifugal force acting along the radial direction outward is equal to the coulombic force of…
Q: What causes dust particles and tiny grains of soot to move with Brownian motion?
A: Dust particles and tiny grains of soot move with Brownian motion. The Brownian movement is the…
Q: Distinguish between hot objects and the Quantization of Energy?
A: The result of the movement of minute particles known as atoms, molecules, or ions in liquids,…
Q: What is the principle of corresponding states?
A:
Q: Why is argon, instead of air, used inside an incandescent bulb?
A: Argon belongs to zero group, i.e., is a noble gas and thus is inert. It is used in both incandescent…
Q: Why does a sodium street lamp give off a different color light than a neon light?
A: Sodium street lamp gives off yellow color, while a neon light gives of a red color.
Q: What is the difference between photoelectric phenomena and Thermionic emission phenomena
A: as
Q: What element has the lightest atoms?
A: Hydrogen has the lightest atoms. Its atomic number is 1 and its atomic mass is 1.00794 amu. It has…
Q: When was x-ray invented?
A: To determine When X ray was Invented
Q: What happens to an electron when it emits a photon?
A: When an electron jumps from one energy level to another energy level which is lower than the…
Q: Select the elements that are ranked correctly from largest to smallest first ionization energy. F,…
A: Option C is the right answer F, Cl, Br, I
Q: The different colours seen in exploding fireworks are produced using different elements. Element…
A: When a firework is exploded it reacts with oxygen. When it reacts with oxygen the electrons are…
Q: The planetary model for atoms is consistent with
A: Rutherford model, also called Rutherford atomic model, nuclear atom, or planetary model of the atom.…
Q: The Redlich-Kwong equation of state is a modification of what equation? Group of answer choices…
A: Redlich-Kwong equation is a further modification of Van der Waal’s Equation
Q: If energy of electron in 2nd excited state of hydrogen atom is -x kJ mol¬1 then energy (in kJ mol¯1)…
A: Given data: Energy of electron in second excited state of hydrogen atom, E2=-x kJ/mol
Q: Does atomic excitation occur in solids as well as in gases? How does the radiant energy from an…
A: Radiant energy is the form of energy that emits in the form of electromagnetic waves. The various…
Q: Why doesn't a neon sign finally run out of atoms to excite and produce dimmer and dimmer light?
A: The neon light does not get dimmer since the neon is not lost. There is not a leak in the tube so…
Q: How is the energy of a photon related to its vibrational frequency?
A: The energy of a photon is given by
Q: :Compare between Stimulated Emission and Spontaneous Emission Follows Higher energy Needs no Need…
A: Compare between Stimulated Emission and Spontaneous Emission.
Q: The characteristic wavelengths of light absorbed by and emitted from an atom is known as the atom's:…
A:
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