Important Questions For All Chapters – English Class 10
The Inventor Who Kept His Promise
Short Questions with Answers
1. Who was Thomas Alva Edison?
Answer: Edison was an American scientist and inventor.
2. What are Edison’s two greatest inventions?
Answer: The electric light and the gramophone.
3. Why was Edison taken out of school?
Answer: His teacher thought he was stupid and naughty.
4. Who became Edison’s best teacher?
Answer: His mother.
5. What silly experiment did Edison do with worms?
Answer: He mashed worms into water, thinking it would help someone fly.
6. What did Edison do at age 12?
Answer: He became a newspaper boy on a train.
7. What did Edison do with his first earnings?
Answer: He gave a dollar to his mother every night.
8. Why did Edison get a beating from his mother?
Answer: He smashed eggs while trying to hatch them.
9. What did Edison promise to America?
Answer: He promised to invent electric light.
10. How many experiments did Edison do for the electric bulb?
Answer: He performed 1,200 experiments.
11. When did New York shine with electric lights for the first time?
Answer: On 4th September, 1882.
12. Why was Edison dismissed from his railway job?
Answer: His laboratory caught fire on a train.
13. How did Edison serve during World War I?
Answer: He made 40 wartime inventions.
14. Why did Edison set up his laboratory on the train?
Answer: To conduct experiments and edit his newspaper.
15. What medal was Edison awarded?
Answer: A medal for his service during World War I.
16. Why did Edison’s father give him 25 cents for every book?
Answer: To encourage him to read more books.
17. What was Edison’s first newspaper called?
Answer: Edison printed and sold his newspaper on a train but didn’t name it in the story.
18. When did Edison invent the gramophone?
Answer: In 1877.
19. What inspired Edison to work hard?
Answer: His mother’s encouragement and his own determination.
20. When did Edison die?
Answer: On 18th October, 1931.
Long Questions with Answers
1. Why was Edison taken out of school, and how did his mother help him?
Answer: Edison’s teacher thought he was stupid and naughty, so he was taken out of school. His mother became his teacher and encouraged his experiments. Her guidance helped him progress.
2. What funny experiments did Edison do as a child?
Answer: Edison mashed worms, thinking eating them would help someone fly. He also tried hatching eggs by sitting on them, but only smashed them. These experiments taught him lessons.
3. How did Edison manage to fund his experiments?
Answer: Edison worked as a newspaper boy and saved money to buy books and equipment. Later, he published his own newspaper and earned more. This helped him set up his laboratory.
4. What challenges did Edison face while inventing the electric bulb?
Answer: Edison performed 1,200 failed experiments to create the electric bulb. Despite scientists laughing at him, he remained determined. His hard work finally succeeded in 1880.
5. What did Edison promise, and how did he fulfill it?
Answer: Edison promised to invent electric light for the world. After years of hard work and many experiments, he succeeded. New York shone brightly on 4th September, 1882.
6. How did Edison’s work benefit humanity?
Answer: Edison’s gramophone brought entertainment and laughter, while his electric light ended darkness. His inventions made life easier and happier for people worldwide.
7. What role did Edison’s mother play in his success?
Answer: Edison’s mother taught him patiently and encouraged his curiosity. She supported his reading and experiments, shaping his determination to succeed.
8. Why was Edison dismissed from his railway job?
Answer: While conducting experiments, phosphorus from Edison’s laboratory caused a fire in the train. The incident led to his dismissal, but he continued his work elsewhere.
9. How did Edison serve during World War I?
Answer: Edison made 40 wartime inventions during World War I. For his contributions, he was honored with a medal. He used science to help his country.
10. Why did Edison become a newspaper boy?
Answer: Edison needed money for his experiments and books, so he worked on a train. This job also allowed him to set up a small laboratory.
11. What qualities made Edison a great inventor?
Answer: Edison’s curiosity, determination, and hard work made him a successful inventor. He never gave up, even after failing many times.
12. What happened during Edison’s first success with electric light?
Answer: Edison tested electric light in his laboratory on New Year’s Day, 1880. Later, in 1882, New York City shone brightly with his invention.
13. Why was Edison honored by the President of the United States?
Answer: In 1929, the President honored Edison for his contribution to science and humanity. The Silver Jubilee of the electric bulb celebrated his achievement.
14. What did Edison say about his inventions?
Answer: Edison believed in creating things that made people happy. He refused to invent anything that would harm life and worked to bring light and laughter.
15. Why is Edison’s life considered great and eventful?
Answer: Edison’s life was full of struggles, experiments, and achievements. From humble beginnings, he invented life-changing technologies, bringing light and joy to the world.
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