Discussion
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- Question
Which one of the following statements is not correct?
Options- A. The cathode rays originate from cathode and proceed towards the anode in a cathode-ray discharge tube.
- B. The television picture tubes are nothing but cathode ray tubes.
- C. The cathode rays themselves are not visible.
- D. The characteristics of cathode rays depend upon the nature of the gas present in the cathode-ray tube.
- Correct Answer
- The characteristics of cathode rays depend upon the nature of the gas present in the cathode-ray tube.
ExplanationCathode ray is a beam of electrons emitted from the cathode of a vacuum tube. It is invisible. Cathode ray tubes are also found in televisions and computer monitors. Since cathode ray is a beam of electrons and all electrons are identical, charge to mass ratio is same for all the gases and does not depend on the nature of gas.
- 1. The powers to legislate with respect to any matter not enumerated in any of the three lists are mentioned as residuary powers. Which of the following is empowered to determine finally as to whether or not a particular matter falls in this category
Options- A. Lok Sabha
- B. Judiciary
- C. Rajya Sabha
- D. Parliament Discuss
- 2. Light travels at the fastest speed in
Options- A. glass
- B. water
- C. hydrogen
- D. vacuum Discuss
- 3. Devaluation of currency will be more beneficial if
Options- A. prices of domestic goods remain constant
- B. prices of exports remain constant
- C. prices of imports remains constant
- D. prices of exports rise proportionately Discuss
- 4. The first hand glider was designed by...?
Options- A. Leonardo DaVinci
- B. The Wright brothers
- C. Francis Rogallo
- D. Galileo Discuss
- 5. Which of the following dances is a solo dance?
Options- A. Ottan Thullal
- B. Kuchipudi
- C. Yakshagana
- D. Odissi Discuss
- 6. Eritrea, which became the 182nd member of the UN in 1993, is in the continent of
Options- A. Asia
- B. Africa
- C. Europe
- D. Australia Discuss
- 7. The main chemical constituent of the oil of cardamom which is responsible for flavour of this oil is
Options- A. cineole
- B. engenol
- C. geraniol
- D. limonene Discuss
- 8. In which decade was the telegraph invented?
Options- A. 1810s
- B. 1840s
- C. 1870s
- D. 1890s Discuss
- 9. The speed of your net access is defined in terms of...
Options- A. RAM
- B. MHz
- C. Kbps
- D. Megabytes Discuss
- 10. The famous character 'Pickwick' was created by
Options- A. Steven Spielberg
- B. Leo Tolstoy
- C. Walt Disney
- D. Charles dickens Discuss
More questions
Correct Answer: Judiciary
Correct Answer: vacuum
Correct Answer: prices of exports remain constant
Correct Answer: Leonardo DaVinci
Correct Answer: Ottan Thullal
Correct Answer: Africa
Correct Answer: cineole
Correct Answer: 1840s
Explanation:
On May 24, 1844, Samuel Morse send his famous message, "What hath God wrought?"
Correct Answer: Kbps
Correct Answer: Charles dickens
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