Based on the PBS program Fabric of the Cosmos: Quantum Leap, quantum mechanics provides the foundation for the invention of... lasers transistors integrated circuts all of the above

Q: MCQ 40: The color of lodine (1) is A. grey B. black (s) C. purple (vapors) D. all of above

A: Iodine is element in the periodic table having elemental symbol I and atomic number 53 and belongs…

Q: Why does a neon sign give off red light?

A: Neon is a noble gas element. It has atomic number of 10 and atomic mass of 20g/mol. It's chemical…

Q: What are some examples of fluorescent light and incandescent light?

A: Fluorescent lights are gas filled tubes (tube lights). The gas gets excited by electric pulses and…

Q: Describe the phenomena that can be explained only by the particle model oflight.

A: Light has dual nature ( particle nature and wave nature ) sometimes it behaves like a particle and…

Q: Providing the electron with energy enables it to be emitted from the surface of the metal with equal…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: What is single-crystal X-ray analysis ?

A: Using technique of single-crystal X-ray analysis .

Q: II C Which part in the figure can be a deuterium lamp? A ם O O

A: Deuterium lamp is used as a source of light in various spectroscopy techniques.

Q: "When you heat up an element, the photons gain energy. They move from a ground state (far from the…

A: Given statement: "When you heat up an element, the photons gain energy. They move from a ground…

Q: I need help explaining why led bulbs are considered to be superior to other types of bulbs.

A: LED bulbs are generally known as light emitting diode bulb .

Q: What determines the color of light? Describe the difference between red light and blue light.

A: Given color of lights,      Red light and blue light.

Q: Answer and explain properly Dont provide answer from internet   Q) Mention the conflicting issue…

A: Conflicting issue arose between plum-pudding model and the outcomes of the cathode ray experiment:

Q: Give reason for each of the following : (a) Molten alumina is a poor conductor of electricity. (b)…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: The shielding in NMR is: a.) Place a metal around the sample tube before placing it in the…

A: Nuclear  magnetic  Resonance is a physical phenomenon when nuclei are disrupted by a faint…

Q: just need help with sodium and aluminum, for the boxed arrows.

A: ( Na )sodium atomic no =11 Aluminium atomic number =13 Sodium loss of one electro to get stable…

Q: A photon has a wavelength of 359 nm. Calculate the energy of the photon in joules. Enter your answer…

A: The relation to determine the energy of a photon for electromagnetic radiation is given by,…

Q: Complete the following paragraph by circling the correct responses: In this experiment, the metal…

A: Concept based on the energy absorption and emission by the metal ions.

Q: Which light source emits light as a result of blackbody radiation? Select one: a. deuterium arc…

A: A xenon arc lamp produces a black body-like emission spectrum corresponding to 6200 K which is a…

Q: 7. All the following is an example of photon detectors EXCEPT: Vacuum phototube O Silicon…

A: Photon detector devices are mainly Vaccum phototube, Silicon photodiodes and Photomultiplier tubes.…

Q: Radioisotopes are used in   LEDs   some food preservation processes   some glow-in-the-dark paints…

A: Radioisotopes are the unstable form of an element that emit radiation to transform into a more…

Q: How the lead apron works against x-rays of a dental x-ray

A: Lead apron is a protective clothing that works as a radiation protector to shield people from…

Q: What are three reasons why nebulae contribute more to stellar formation than other regions of the…

A: Three reasons why nebulae contribute more to stellar formation than other regions of the universe…

Q: a. Using the diagram below, draw arrows corresponding to the process of phosphorescence. b. Briefly…

A: Welcome to bartleby ! Introduction : About phosphorescence .

Q: what are the factors affecting scattering of light?

A: The scattering of light is a physical process in which some form of light are forces to deviate from…

Q: An excited electron cannot do which of the following? A. Transfer energy to a neighboring photon B.…

A: From the given data we need to find the fate of the excited electron.

Q: Distinguish between two different types of shielding?

A: The electrons which are present in the last shell of an atom are named as valence electrons and…

Q: Beer's Law states that concentration is proportional to of light. Select one: O refraction…

A: According to the Beer's law the absorption is directly proportional to concentration and path…

Q: Compare electron energy levels and nuclear rings, both physically and chemically.

A: Both electron energy levels and nuclear rings are a ways of arranging subatomic particles.

Q: write the configuration of    B

A: Electron configuration:  The complete description of the atomic orbitals occupied by all the…

Q: What causes the colors of fireworks?

A: Fireworks exhibit different colors on ignition. This is due to different chemicals that are used in…

Q: Who introduced the method of treating a photon gas ?

A: This question is related to elementary particles.

Q: Which of the following statements is true about the visible electromagnatic radiation? O it is only…

A:

Q: What are the similarities and differences between the lanthanides and the main groups?

A: Groups 1, 2 and 13 to 18 constitute the main group. In both, Lanthanide's and main group , the ionic…

Q: What do all electric circuits do? cook your food heat the house transform electric energy into other…

A: Dear student I have given answer to your question in the image format.

Q: Write the electron configuration for Ar

A: Electron configuration:  The complete description of the atomic orbitals occupied by all the…

Q: Using the periodic table, enter the electron configuration of V.

A: Vanadium, V, is present in the 5th group of 4th period in the periodic table. The atomic number of…

Q: DIRECTIONS: FILL THE BLANKS WITH THE CORRECT ANSWER.  The critical age under which sunscreens…

A: Fill the blank with the correct answers are given below.

Q: Selenium is a photoconductor which means O it is an insulator in the dark and a conductor when…

A: Correct option - - > It is an insulator in the dark and a conductor when exposed to light.…

Q: The cover of the car’s engine is called a hood. The hood is coated with an insulator to reduce…

A: Explanation:   "The element used in coating of hood is Hydrogen and Carbon. As the hood is coated…

Q: A wavelength of 250 nm is equal to?

A: Note - We are assuming that you are probably asking to convert the unit from nm to m. If that's not…

Q: active Activity-Energy Levels of a Hydrogen Atom 7 of 9 I Review | Constants | Periodic Table en an…

A: The question is based on the concept of atomic spectra. We have  to identify the transition…

Q: Use the periodic table to write the condensed electron configuration for In [atomic no. =49].

A: The electron configuration of an atom represented in form of its nearest noble-gas element of lower…

Q: Determine which electron configuration represents an excited state.

A: In a neutral atom, the total electrons in an atom is equal to the atomic number of an atom and these…

Q: We need hollow cathode lamp in FAAS because a. Atoms absorb a wide range of wavelengths b. Atoms can…

A:

Q: Explain the quark model.

A: The Quark Model was proposed by Gell-Mann and Zweig in 1964. They analyzed certain properties of…

Q: Assign a set of four quantum numbers to the outermost three electrons (last three in) in Scandium .

A: Quantum numbers are  used to describe  the position  and energy of electron  in an atom.

Q: Neon lights is used to describe a number of gaseous discharges that do not contain neon much like…

A: Most of the advertising signs consists of neon light which is long or  narrow tubes and formulated…