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Nature has so designed us that we are compelled to spend at least eight hours out of twenty-four with eyes shut in an attempt to sleep. It is a compensatory arrangement, perhaps for the strain, the visual faculty undergoes during our waking hours, owing to the glut of images impinging upon it from morning till night. One who seeks serenity should, I suppose, voluntarily restrict one's range of vision. For it is mostly through the eye that the mind is strained or disturbed. Man sees more than what is necessary or good for him. If one does not control one's vision, nature will do it for one sooner or later.0 AnswerTrace the sequence of events which occur when a bright light is focused on your eyes. 0 AnswerQuantity of light entering the eyes is controlled by1 AnswerThree of the following four are alike in a certain way and so form a group. Which is one that does not belong to that group?(NIFT)1 AnswerAt first, Private Quelch was a hero in the eyes of his fellow soilders. Support this observation with suitable examples from the story in about 100 words.English-CBSE-Class-9 NCERT Solutions1 AnswerChoose the exact meaning of the idioms/phrases from the given alternatives. (NIFT)1 AnswerA man is 180 cm tall and his eyes are 10 cm below the top of his head. In order to see his entire height, right from toe to head, he uses a plane mirror kept at a distance of 1 m from him. The minimum length of the plane mirror required is0 AnswerExplain how you can take care of your eyes. cbse-class8-physics-20151 Answer Why is it not possible to see an atom with naked eyes? CBSE- Class9- Chemistry 20131 Answer Why is it not possible to see an atom with naked eyes? CBSE- Class9- Chemistry 20131 Answer Why is it not possible to see an atom with naked eyes? CBSE- Class9- Chemistry 20131 AnswerRead the descriptions below of what the snake did and what the mongoose did. Arrange their actions in the proper order (CBSE ENGLISH CLASS 6)1 AnswerWhich of the following is typical of the eyes of a nocturnal insect? (A) High resolution and high sensitivity (B) High resolution and low sensitivity (C) Low resolution and high sensitivity (D) Low resolution and low sensitivity0 AnswerThe main theme of the passage is A. the need to sleep eight hours a day B. ways to reduce mental strain C. the connection between visual images and strain D. the necessity of controlling one's vision0 AnswerFew guessed that this quiet, parentless girl growing up in 1 New York City would one day become the First Lady of the United States. Even fewer thought she would become an author and lecturer and a woman much admired and loved by people throughout the world. 2. Born Anna Eleanor Roosevelt in 1884 to wealthy, but troubled parents who both died while she was young, Roosevelt was cared for by her grandmother and sent to school in England. In 1905. she married her distant cousin. Franklin Delano Roosevelt. She and her husband had six children. Although they were wealthy, her life was not easy and she suffered several personal tragedies. Her second son died when he was a baby. In 1921, her strong athletic husband was stricken with polio, which left him physically disabled for life. 3. Eleanor Roosevelt was a remarkable woman who had great intelligence and tremendous strength of character. She never let things get her down. She nursed her husband back to good health and encouraged him to remain in politics. She then helped him to become Governor of New York, and in 1933, President of the United States. 4. While her husband was President. she took a great interest in all the affairs of the country. She became her husband's legs and eyes; she visited prisons and hospitals; she went down into mines, up scaffoldings and into factories. Roosevelt was tireless and daring. During the depression she travelled over the country bringing goodwill, reassurance and help to people without food and jobs. During World War II she visited American soldiers in camps all over the world. The United States had never known a First Lady like her. Roosevelt also kept in Much with the American people through a daily newspaper column called 'My Day'. She broadcast on the radio and delivered lectures, all first for a First Lady.0 AnswerI. With eager anticipation we awaited the was called in to measure us, five boys and one girl, for the sports kits. I was filled with happiness, just like a child who had been given a bag full of candy. After all, I would be fulfilling my dream to wear a blazer with INDIA written on it! 2. A week later, we left for Australia. The night before we left I could not sleep. My small suitcase had been packed with my kit and bedding and I waited for the sun to rise. Excited by the prospect of what lay ahead, we boarded the train to Bombay, the first lap of our long journey across the seas to far-off Australia. When we reached Bombay's Churchgate station, we were taken by bus to the Astona Hotel. It was the first time that I had seen SlICI1 grand place, and I could barely believe any eyes. What was I, o simple village boy doing in such a different world? While we were at the Astoria, Commander Rekhi, our manager, showed us how to knot a tie and gave us lessons on table manners. when we reached Santa Cruz, the entire atmosphere at the final seemed unreal-its bright lights, the strange sounds, the op people. Except for Mary Lila Rao, none of us had flown before. I was scared and confused. I had no bedding and no food. Where would I sleep? What would I eat? How would the plane take off with so many people, their luggage and other cargo? Would it crash under so much weight? I followed my companions towards the huge monster that awaited us, and blindly climbed up the ramp into the cabin. I was asked to fasten my seatbelt, but naturally I did not know what to do and was fumbling with the straps when the air-hostess kindly helped me. 4. When the plane started to taxi along the runway, I closed my eyes and prayed to my God. I had butterflies in my stomach as the plane ascended. And then we were airborne. When I looked out of the window I saw smoke pouring out of the engines, and raised an alarm, thinking that the plane was on fire. The air-hostess calmed me down, patiently explaining that it was only the fuel burning. I felt very foolish and laughed with relief.0 AnswerWhich of the following human organs is less susceptible to harmful radiation?1 Answer(i) Name the poem and the poet. (ii) Whose dreams is the poet referring to ? (iii) How did the war shatter their pride ? (iv) Explain the phrase ‘grim and glad’. (v) Why are the men referred to as children in the last line ? (ENGLISH-CBSE-12-2018)1 Answer“So when we see ‘Red”, what we are actually seeing is that portion of the electromagnetic spectrum with a wavelength of about 0.0007 millimeters, in a situation where the other wavelengths are absent. It is our brains (and our language) which inform us it is “red”, and at the same time they often attach cultural labels that tell us it is powerful, or that it is the colour of love, or that it is a traffic sign which means we have to stop”.(NID-2018)1 AnswerName and state the communication tool used by the marketer in the above case to improve its image. Also explain role of the tool as identified in part (a) -CBSE business studies 2016 class 111 Answer