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- Question
A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the cavity will
Options- A. increase
- B. decrease
- C. remain unaffected
- D. have its shape changed
- Correct Answer
- increase
ExplanationThe metal ball can be considered to be made up of several layers of thinner ones. On heating each of these layers will increase in radius. As the inner most layer also increases its radius, the volume inside it i.e, the volume of the hollow portion will also increase.
- 1. Which of the following is tropical grassland?
Options- A. Taiga
- B. Savannah
- C. Pampas
- D. Prairies Discuss
- 2. Indian Cancer Research institute is located at
Options- A. New Delhi
- B. Calcutta
- C. Chennai
- D. Mumbai Discuss
- 3. The ratio of land to ocean in the southern hemisphere is
Options- A. 1 to 1.5
- B. 1 to 1
- C. 1 to 4
- D. 1 to 10 Discuss
- 4. How many players are there in Water Polo team?
Options- A. 4
- B. 5
- C. 6
- D. 7 Discuss
- 5. Gangubai hangal is the name associated with
Options- A. Literature
- B. Music
- C. Journalism
- D. Environment Discuss
- 6. The largest production of mica in Asia is from
Options- A. Indonesia
- B. Malaysia
- C. Myanmar
- D. India Discuss
- 7. Plants synthesis protein from
Options- A. starch
- B. sugar
- C. amino acids
- D. fatty acids Discuss
- 8. The year 1985 was declared as the International Year of
Options- A. Blind
- B. Youth
- C. Children
- D. GandhiWomen Discuss
- 9. The 'Char Minar' is in
Options- A. Ahmedabad
- B. Hyderabad
- C. Delhi
- D. Sikri Discuss
- 10. Detergents used for cleaning clothes and utensils contain?
Options- A. bicarbonates
- B. bismuthates
- C. sulphonates
- D. nitrates Discuss
More questions
Correct Answer: Savannah
Correct Answer: Mumbai
Correct Answer: 1 to 4
Correct Answer: 7
Correct Answer: Music
Correct Answer: India
Correct Answer: amino acids
Correct Answer: Youth
Correct Answer: Hyderabad
Correct Answer: sulphonates
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