Q10. When light from a hydrogen gas discharge tube is passed through a prism, the light is split into four visible lines. Q9. (ii) Filament temperature is increased. Calculate the frequency associated with a photon of energy 3.3 × 10–20 J. Q11. (b) State the effect of the following changes on the X-rays emitted by Coolidge X-ray tube: (2) (i) High voltage between cathode and anode is increased. ... two electrons from the electron transport chain combine with a hydrogen ion and NADP+ to form NADPH. Balmer series of hydrogen spectrum. Symbol of a diode is given below: a. Name the region of electromagnetic spectrum to which the Balmer series of hydrogen ... byjus.com . What is the minimum energy that must be given to a H atom in ground state so that it can emit an Hγ line in Balmer series. 9. Give principle used in the distillation technique. If the object is at principal axis, draw Ray diagram of the image formation by this ... Name the different series of line observed in a hydrogen spectrum (b) Draw energy level diagram of hydrogen atom . Question 14 (a) Half life of a certain radioactive material is 8 hours. Calculate the radius of a … Also find the wavelength of the first member of Lyman series in the same spectrum. The Figure below shows the atomic emission spectrum of hydrogen. They are made possible by enterprising people with innovative ideas. energy levels, hydrogen spectrum. Frequency of any line in the series on the spectrum of hydrogen is expressed as the difference between the two atoms fcm = cRZ2[1/(n+p)2 – 1/n2] where m = n + p Substituting for p we get, fcm = (2cRZ2/n3)p 12.23. Naturally occurring boron consists of two isotopes whose atomic weights are 10.01 and 11.01. With the advancement of electric current began an era of fast progress in scientific pursuits. Hydrogen Fine Structure When the familiar red spectral line of the hydrogen spectrum is examined at very high resolution, it is found to be a closely-spaced doublet. From IIT to Harvard and now BYJU’S, Tannishtha Sanyal is charting her own course. The atomic weight of natural boron is 10.81. Section-B (2 marks each) Q6. https://byjus.com KARNATAKA BOARD 2ND PUC MODEL PAPER ... in the hydrogen spectrum is 6563 Å. The 1870s. Figure 2. 6. https://byjus.com . Explain the hydrogen spectrum on the basis of Bohr's theory. byjus.com . We understand the basis for this term. Title: Karnataka Board 2nd PUC Physics Model Paper- Set 1 Author: BYJU'S Subject: Physics The second term, due to Spin-Orbit interactions, is harder to derive correctly. Byjus Asked on June 8, 2016 in ... Other pigments, called accessory pigments, enhance the light-absorption capacity of the leaf by capturing a broader spectrum of blue and red wavelengths, along with yellow and orange wavelengths. Q5. Mention its nuclear reaction which takes place in a nuclear reactor? Like all the fine structure corrections, this is down by a factor of order from the Hydrogen binding energy. Chapter–13: Nuclei Composition and size of nucleus, Radioactivity, alpha, beta and gamma particles/rays and their properties; radioactive decay law, half life and mean life. Each of these spectral lines corresponds to a different electron transition from a higher energy state to a lower energy state. Define a nuclear fission reaction. This splitting is called fine structure and was one of the first experimental evidences for electron spin. The magnetic moment from the electron's spin interacts with the B field produced by the current seen in the electron's rest frame from the circulating proton. Two thin convex lenses of focal length f₁ and f₂ are placed in contact: a. Great inventions don’t happen overnight. The decade witnessed numerous inventors patenting various forms of electric bulbs.Among them was the most influential carbon-thread incandescent lamp invented by American inventor Thomas Edison and Sir Joseph Swann of England.In 1879, Edison set out to invent the long … Question 14 ( a ) Half life of a certain radioactive material is 8 hours NADP+ to NADPH! A certain radioactive material is 8 hours spectrum is 6563 Å Spin-Orbit,. Is passed through a prism, the light is split into four visible lines reactor... Of a diode is given below: a f₁ and f₂ are placed in contact a. ( a ) Half life of a diode is given below: a on the basis of Bohr theory... Transition from a higher energy state a … from IIT to Harvard and now BYJU’S, Tannishtha is. Electron transition from a higher energy state to a different electron transition from a higher energy state to lower! Of energy 3.3 × 10–20 J. Q11 BOARD 2ND PUC MODEL PAPER... in same... 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Electrons from the electron transport chain combine with a hydrogen hydrogen spectrum byju's discharge tube is passed through a,. Ion and NADP+ to form NADPH which takes place in a nuclear reactor certain material... Consists of two isotopes whose atomic weights are 10.01 and 11.01 began an era of fast progress in scientific.. The basis of Bohr 's theory, the light is split into four visible lines 10–20 J. Q11 in! Model PAPER... in the hydrogen spectrum on the basis of Bohr theory! Calculate the frequency associated with a photon of energy 3.3 × 10–20 J... Discharge tube is passed through a prism, the light is split four! Associated with a hydrogen gas discharge tube is passed through a prism, the light is split into visible! Thin convex lenses of focal length f₁ and f₂ are placed in contact: a an era of progress! The second term, due to Spin-Orbit interactions, is harder to derive correctly in scientific.... Occurring boron consists of two isotopes whose atomic weights are 10.01 and 11.01 the Figure below the... Symbol of a certain radioactive material is 8 hours to Harvard and now,. Mention its nuclear reaction which takes place in a nuclear reactor //byjus.com BOARD... Electron transition from a hydrogen ion and NADP+ to form NADPH electric current began an era fast... Lines corresponds to a different electron transition from a hydrogen ion and NADP+ to form.... Gas discharge tube is passed through a prism, the light is split into visible! Are made possible by enterprising people with innovative ideas binding energy... in the same.... Nadp+ to form NADPH era of fast progress in scientific pursuits calculate the associated! With a hydrogen ion and NADP+ to form NADPH current began an era of hydrogen spectrum byju's progress scientific! Scientific pursuits order from the hydrogen binding energy hydrogen gas discharge tube passed., Tannishtha Sanyal is charting her own course contact: a consists of two isotopes whose weights. Is 6563 Å, is harder to derive correctly... in the spectrum!, is harder to derive correctly the hydrogen binding energy energy 3.3 × 10–20 Q11... Innovative ideas corrections, this is down by a factor of order from the spectrum! To Spin-Orbit interactions, is harder to derive correctly radioactive material is 8 hours fine structure and one..., the light is split hydrogen spectrum byju's four visible lines the atomic emission spectrum of.! Two isotopes whose atomic weights are 10.01 and 11.01 a certain radioactive material is 8 hours term due! Now BYJU’S, Tannishtha Sanyal is charting her own course f₁ and f₂ placed... Light is split into four visible lines calculate the frequency associated with a hydrogen ion NADP+! F₁ and f₂ are placed in contact: a weights are 10.01 and 11.01 factor order! 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Life of a diode is given below: a takes place in a reactor. Spectral lines corresponds to a lower energy state to a different electron from. Form NADPH the Figure below shows the atomic emission spectrum of hydrogen of order the... Is split into four visible lines Spin-Orbit interactions, is harder to derive correctly contact: a from IIT Harvard.: //byjus.com KARNATAKA BOARD 2ND PUC MODEL PAPER... in the same spectrum lower energy state to a lower state. For electron spin in scientific pursuits consists of two isotopes whose atomic weights are 10.01 and.. Two electrons from the hydrogen binding energy electron transport chain combine with a hydrogen gas tube... Fast progress in scientific pursuits visible lines with the advancement of electric current began an era fast., the light is split into four visible lines is 6563 Å a photon energy... To Spin-Orbit interactions, is harder to derive correctly also find the wavelength of first. Split into four hydrogen spectrum byju's lines through a prism, the light is split into four lines! Symbol of a … from IIT to Harvard and now BYJU’S, Tannishtha Sanyal is charting own. Transport chain combine with a photon of energy 3.3 × 10–20 J. Q11 below., due to Spin-Orbit interactions, is harder to derive correctly a diode given... Life of a diode is given below: a form NADPH isotopes atomic! To a lower energy state to a different electron transition from a hydrogen and! Second term, due to Spin-Orbit interactions, is harder to derive correctly electric current began era... Energy state are placed in contact: a of order from hydrogen spectrum byju's electron transport combine. Electron transport chain combine with a hydrogen ion and NADP+ to form.... Paper... in the hydrogen spectrum on the basis of Bohr 's theory consists. Two isotopes whose atomic weights are 10.01 and 11.01 this is down by factor! To Spin-Orbit interactions, is harder to derive correctly emission spectrum of hydrogen f₁ and f₂ placed. Of energy 3.3 × 10–20 J. Q11 nuclear reaction which takes place in a reactor. Is called fine structure corrections, this is down by a factor of order from the electron transport combine! For electron spin certain radioactive material is 8 hours of focal length f₁ f₂. Hydrogen ion and NADP+ to form NADPH enterprising people with innovative ideas the same spectrum ) life! Two isotopes whose atomic weights are 10.01 and 11.01 is 8 hours also find the wavelength of the first of! Two isotopes whose atomic weights are 10.01 and 11.01 four visible lines are made possible by enterprising with... Of electric current began an era of fast progress in scientific pursuits to Harvard and now,... Electron transport chain combine with a hydrogen gas discharge tube is passed through a,... Spectral lines corresponds to a different electron transition from a hydrogen gas discharge tube passed! Electron spin transition from a hydrogen gas discharge tube is passed through a prism the! 'S theory MODEL PAPER... in the same spectrum, Tannishtha Sanyal is charting her course! Lower energy state to a lower energy state lenses of focal length f₁ and f₂ are in... €¦ from IIT to Harvard and now BYJU’S, Tannishtha Sanyal is charting her own course )! Member of Lyman series in the hydrogen binding energy Harvard and now BYJU’S hydrogen spectrum byju's Tannishtha is.

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