This section includes 7 InterviewSolutions, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Distinguish between emission spectra & atomic spectra. |
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Answer» Emission spectra: When an object is strongly heated, it starts to emit light. When the emitted light is subjected to depression, emission spectrum is obtained) Atomic Spectra: When an atom of an element is strongly heated, it starts emitting light energy in different regions. This emitted light when dispersed, a large number of closely spaced lines where formed they are called atomic spectra. |
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| 2. |
Photoelectric emission is observed from a metal surface with incident frequencies \(\nu\)1 and \(\nu\)2 where \(\nu\)1 > \(\nu\)2 If the kinetic energies of the photoelectrons emitted in the two cases are in the ration 2:1, then the threshold frequency \(\nu\)o of the metal isa.\(\nu\)1 - \(\nu\)2b. \(\frac{\nu_!-\nu_2}{h}\)c. 2\(\nu\)1 - \(\nu\)2d. 2\(\nu\)2 - \(\nu\)1 |
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Answer» Correct option is d. 2\(\nu\)2 - \(\nu\)1 |
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| 3. |
What is line spectrum of emission? |
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Answer» Line spectrum of emission: When a light ¡s dispersed with a sharp bright line on a dark background, such a spectrum is called a tine spectrum of emission. |
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| 4. |
What is emission spectrum? |
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Answer» Emission spectrum: When a light beam emitted by a source is dispersed to get the spectrum Is called an emission spectrum. |
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| 5. |
The distance from the centre of the nucleus of the atom to its outermost shell is A) Atomic number B) Atomic volume C) Atomic radius D) Atomic density |
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Answer» C) Atomic radius |
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| 6. |
What is mean by electronegativity? |
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Answer» The relative tendency of an atom in a molecule to attract the shared pair of electrons towards itself is termed as its electro-negativity. |
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| 7. |
The examples for metalloids A) Li, Na, K, Rb B) Be, Mg, Ca, Sr, Ba C) B, Si, As, Ge D) F, Cl, Br, I |
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Answer» C) B, Si, As, Ge |
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| 8. |
The elements which have both metallic and non metallic properties are called A) Metalloids B) Semiconductors C) Semi metals D) Both A and C |
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Answer» D) Both A and C |
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| 9. |
……………….. found that each element emits a characteristic pattern of X rays when subjected to bombardment by high energy electrons. A) Bohr B) Sommerfeld C) Mendeleeff D) Mosley |
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Answer» Correct option is D) Mosley |
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| 10. |
Modem periodic table is based onA) atomic number B) electron negativity C) Both A and B D) None of these |
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Answer» Correct option is A) atomic number |
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| 11. |
Choose the correct answer for the following matching. Group A — Group B 1) Alkali metal — P) Calcium 2) Chalcogen — Q) Potassium 3) Alkaline earth metal — R) SulphurA) 1-Q,2-R, 3-P B) 1-Q, 2-P, 3-R C) 1-P, 2-0,3-R D) 1 – P, 2 – R, 3 – Q |
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Answer» A) 1-Q,2-R, 3-P |
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| 12. |
Elements of one short period of the Periodic Table are given below in the order from left to right.Li, Be, B, C, N, F, Ne Answer the following: (i) To which period, do these elements belong?(ii) One element of this period is missing. Which is the missing element and where it should be placed? (iii) Which of the above elements belong to the family of halogens? What is its electronegativity value? (iv) How does the metallic character varies in the Period? |
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Answer» (i) 2nd period. (ii) Oxygen. It should be placed between Nitrogen and Flourine. (iii) Flourine Electro negativity 4.0 (iv) Decreases from left to right. |
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| 13. |
Number of elements present in period 1 are A) 2 B) 4C) 6D) 8 |
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Answer» Correct option is A) 2 |
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| 14. |
In the table given below, names of some elements of families are given. Based on this, fill the information in the empty boxes.S/NoName of the Element familyElementsValency shell configuration Valency electronsValencyFromTo1Alkali metal familyLiFr2Alkali earth metal familyBeRa3Carbon familyCFl4Halogen familyFAt |
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| 15. |
Number of vertical columns in the modern periodic table are A) 7 B) 8 C) 10 D) 18 |
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Answer» Correct option is D) 18 |
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| 16. |
When do you observe liberation of energy? |
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Answer» Atoms of some elements gain electrons while forming ionic compounds. An atom is able to gain electron when the electron is attracted by the nucleus. Attraction involves the liberation of energy. |
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| 17. |
Match the following.1. Governori. Lower House2. Chief Ministerii. Nominal Head3. Legislative Assemblyiii. Upper House4. Legislative Counciliv. Real Head |
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Answer» 1. iv 2. ii 3. i 4. iii |
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| 18. |
Cl belongs to …………… family.A) Noble gases B) Boron C) Carbon D) Halogen |
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Answer» Correct Answer is D) Halogen D Halogen is the answer
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| 19. |
Fill in the Blanks1. ………… States are there in India at present. 2. The tenure of the Governor is normally ……. years. 3. The District Judges are appointed by ……4. The Governor is the ……. Head of the State. 5. Minimum age for elections as MLA ……… years |
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Answer» 1. 29 2. Five 3. The Governor 4. Constitutional 5. 25 |
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| 20. |
The age of retirement of the Judges of the High Court is – (a) 62 (b) 64 (c) 65 (d) 58 |
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Answer» The age of retirement of the Judges of the High Court is 62 |
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| 21. |
What are the functions of hypothalamus? |
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Answer» Hypothalamus maintains homeostasis, blood pressure, body temperature, cardio and fluid electrolyte balance of the body. It influences various emotional responses. |
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| 22. |
Write on the origin of pituitary gland? |
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Answer» The anterior lobe of pituitary gland originates from the embryonic invagination of pharyngeal epithelium called Rathke’s pouch. The posterior lobe originates from the base of the brain as an outgrowth of hypothalamus. |
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| 23. |
……….. decreases the rate of glucose. |
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Answer» Growth Hormone decreases the rate of glucose |
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| 24. |
The anterior lobe of the pituitary gland originates from the embriyonic invagination of pharyngeal epithelium called ……… |
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Answer» The anterior lobe of the pituitary gland originates from the embriyonic invagination of pharyngeal epithelium called Rathke’s pouch. |
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| 25. |
The pituitary gland is connected to the hypothalamus by a stalk called ………… |
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Answer» The pituitary gland is connected to the hypothalamus by a stalk called infundibulum. |
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| 26. |
What is spectrum ? What is the name of glass shape used to produce a spectrum ? |
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Answer» The band of seven colours formed on a white screen, when a beam of white light is passed through a glass prism is called spectrum of white light. A glass prism is used to produce a spectrum. |
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| 27. |
The road is waterlogged as the water pipe has broken. |
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| 28. |
You notice that unclean, impure water is being used for pani puns. |
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Answer» I will immediately inform the food safety and sanitation department about the same. I will ensure that strict action is taken against the vendor. |
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| 29. |
Many people are throwing plastic bags from the bridge into the river. |
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| 30. |
All local government bodies have to carry out some essential functions. What, according to you, are the essential functions of a Nagar Panchayat? |
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| 31. |
What is spectrum ? What is the name of glass shape used to produce a spectrum ? |
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Answer» The band of seven colours formed on a white screen, when a beam of white light is passed through a glass prism is called spectrum of white light. A glass prism is used to produce a spectrum |
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| 32. |
Match the suffixes with the words and make words: Word Suffix Noun auction able auctioneer enchantment ure know ment prepare eer proceed ance appear (this word is not in the lesson) ledge remark tion |
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| 33. |
Is there any difference between moment of inertia and rotational inertia? |
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Answer» The moment of inertia is another name for inertia. The moment of inertia is called rotational inertia for the reason that it gives the measure of inertia of a body during its rotational motion. |
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| 34. |
‘An Astrologer’s Day’ has ironic elements where the astrologer pretends to have ‘supernatural knowledge’ that coincidently turns out to be the truth. Find out an example of irony from the extract and write it down:Find out the examples of irony from the extract and write them down. |
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Answer» His eyes sparkled with a sharp abnormal gleam which was really an outcome of a continual searching look for customers, but which his simple clients took to be a prophetic light and felt comforted. 1. He knew no more of what was going to happen to others than he knew what was going to happen to himself the next minute. 2. He was as much a stranger to the stars as were his innocent customers. 3. He said things which pleased and astonished everyone : that was more a matter of study, practice, and shrewd guesswork. |
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| 35. |
Find the examples of code-mixing from the extract and write them down. |
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Answer» 1. ‘cowrie shells’ 2. turban |
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| 36. |
Read the extract given below and answer the questions that follow :Richard Ebright has been interested in Science. Since, he first began collecting butterflies - but not so deeply that he hasn’t time for other interests. Ebright also became a champion debater and public speaker and a good canoeist and all - rounder outdoors person. He is also an expert photographer, particularly of nature and scientific exhibits.1. Did Ebright collected butterflies just as a hobby? What special trait of Ebright shown by it?a. Ebright collected butterflies for the science fair in the countryside. It shows that he really wanted to win.b. Ebright collected butterflies to sell them to gain some money. It shows that Ebright was a selfish boy.c. Ebright collected butterflies out of curiosity to seek information. It shows his keen observing powers, perseverance, patience and self discipline.d. Ebright collected butterflies because Dr, jrquhart asked him to collect as many butterflies he could. It shows that he was an obedient kid.2. Besides science what other interests did Richard Ebright pursue?a. Besides being expert in science , he was a good mathematician and photographer.b. Besides being expert in science, he was a good debater and singer.c. Besides being in science , he was a good debater, canoeist and also spoke fluent spanish.d. Besides being expert in science, he was also a good debater, canoeist and expert photographer.3. What do you mean by a canoeist?a. A person travelling in a small narrow boat.b. A person travelling in a small,narrow ship.c. A person travelling in a small, broad bike.d. A person travelling in a small, narrow helicopter.4. Who did he admired ?a. He admired his maths teacher, Richard A. Weiherer.b. He admired his science teacher, Richard A. Weiherer.c. He admired his social studies teacher, Richard A Weiherer.d. He admired his english teacher William A. Richard.5. Who was Ebright’s college roommate?a. John R.Wong was Ebright’s college roommate.b. James RQ Wong was Ebright’s college roommate.c. Jig R. Wong was Ebright’s college roommate.d. Jim R. Kong was Ebright’s college roommate. |
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Answer» 1. c. Ebright collected butterflies out of curiosity to seek information. It shows his keen observing powers, perseverance, patience and self discipline. 2. d. Besides being expert in science, he was also a good debater, canoeist and expert photographer. 3. a. A person travelling in a small narrow boat. 4. c. He admired his social studies teacher, Richard A Weiherer. 5. b. James RQ Wong was Ebright’s college roommate. |
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| 37. |
Is moment of inertia a scalar or a vector quantity? |
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Answer» Scalar quantity. |
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| 38. |
Name the sources of revenue of the Municipal Council. |
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Answer» Property tax, education tax, water tax, grants from State Government, tax on markets, etc. |
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| 39. |
Name the following:The elected members of Municipal Corporation. |
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Answer» The elected members of Municipal Corporation is Corporators. |
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| 40. |
For every Municipal council, there is a Chief Officer. He implements the decisions taken by the Municipal Council. There are several officers who assist him. Would you like to become such an officer? If you become a Health Officer, what functions would you perform? |
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Answer» Yes I would like to become an officer in the Municipal Council. If I become a Health officer my functions would be:
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| 41. |
Name the following:In the absence of the President, he looks after the work of the Municipal Council. |
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Answer» Vice-president. |
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| 42. |
Name the following:The chairman of all the meetings of Municipal Council. |
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Answer» The chairman of all the meetings of Municipal Council is President. |
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| 43. |
Which are essential functions of the Municipal Council. |
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Answer» The essential functions of Municipal Council are:
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| 44. |
What are the units and dimensions of moment of inertia? Is it a vector? |
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Answer» The unit of M.I. are kgm2 and its dimensional formula is [ML2To ]. No, it is not a vector. |
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| 45. |
What is rotational analogue of mass of a body? |
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Answer» Rotational analogue of mass is moment of inertia. |
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| 46. |
‘Our friend felt piqued.’ Name the friend and give reasons for him feeling ‘piqued’. |
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Answer» ‘Our friend’ is the astrologer. He felt piqued because the man cut short his words rudely and told him to tell him something worthwhile. The astrologer was used to people listening eagerly and respectfully to whatever he had to say, and the behaviour of the man showed that he did not value the usual smooth talk. That is why the astrologer felt piqued. |
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| 47. |
Read he extracts given below and answer the questions that follow : He grew cells from a Monarch’s wing in a culture and showed that the cells would divide and develop into normal butterfly wing scales only if they were fed the hormone from the gold spots.1. What did Ebright find out after working on hormone?a. The study of insect hormones helped him in giving a new theory on life of cells.b. The study of insect eyes helped him in giving a new theory on life of cells.c. The study of insect wings helped him in giving a new theory on life of cells.d. The study of insects spiracles helped him in giving a new theory on life of cells.2. What conclusion did he make?a. He concluded that the cells growing from monarch wings would divide and develop into normal butterfly wing scale only if they were fed the honey.b. He concluded that the cells growing from the silver blue wings would divide and develop into normal butterfly wing only if fed with the hormone from the blue spots.c. He concluded that the cells growing from monarch wings would divide and develop into normal butterfly wing scale only if they were fed the hormone from the golden spot.d. He concludes that the cells growing from monarch wings would divide and develop into normal butterfly wing scale only if they were fed the hormone from the white spots.3. Did Ebright won the International Science and Engineer Fair?a. Yes, he won the third prize in the International Science and Engineer Fair.b. Yes, he won the second prize in the International Science and Engineer Fair.c. Yes, he won the first prize in the International Science and Engineer Fair.d. No, he didn’t win in the International Science and Engineer Fair.4. Richard Ebright went to which University?a. Richard Ebright went to Oxford University.b. Richard Ebright went to Harvard University.c. Richard Ebright went to Christ University.d. Richard Ebright went to Australian University.5. What does 'cells' mean with reference to the text?a. With reference to the text, cells means the cell phone.b. With reference to the text, cells means the batteries.c. With reference to the text, cells means a small room here a prisoner is locked up.d. With reference to the text, cells means the smallest functional building block of any living being. |
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Answer» 1. a. The study of insect hormones helped him in giving a new theory on life of cells. 2. c. He concluded that the cells growing from monarch wings would divide and develop into normal butterfly wing scale only if they were fed the hormone from the golden spot. 3. a. Yes, he won the third prize in the International Science and Engineer Fair. 4. b. Richard Ebright went to Harvard University. 5. d. With reference to the text, cells means the smallest functional building block of any living being. |
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| 48. |
The story suggests that the astrologer’s comments and observations pleased people by – (1) promising them success and good fortune (2) proving, as time passes, to have been true (3) flattering them or supporting their own views (4) helping them to learn to solve their own problems. |
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Answer» (3) flattering them or supporting their own views |
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| 49. |
The scene in a local market of a village/ town/city is very attractive. People with different occupations sell their wares. Discuss with your partner the variety of activities at the local market. |
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Answer» 1. selling flowers, selling grocery 2. selling garments and cloth 3. selling imitation jewellery and accessories 4. selling snacks and fast food 5. selling steel and earthenwares |
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| 50. |
There are certain unreasonable beliefs among people living in our society. Certain common events are linked with superstitions. List such events, discuss the superstitions linked with them and the means of their eradication. |
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Answer» Events and superstitions linked with them: 1. A cat crossing your path (something bad will happen) 2. Walking under a ladder (something unfortunate will happen) 3. Wearing black clothes for an auspicious function (will bring bad luck to the hosts) 4. Spilling salt (unlucky for the person) 5. A black crow cawing outside your window (you will be having guests) Means of eradication: The only means of eradication is through education. Scientific attitude must be developed in society. Religious heads must counsel and guide their followers. The elders in families must also get rid of old beliefs. |
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