Discussion
Home ‣ General Knowledge ‣ General Science Comments
- Question
In a laser (say neon laser) all the atoms emit the light waves of
Options- A. Same frequency
- B. Same amplitude
- C. Same phase
- D. All the above
- Correct Answer
- All the above
- 1. Tides are primarily a result of the ____ ?
Options- A. Attraction of the Moon
- B. Farrel's law
- C. Ocean Currents
- D. Earth's pressure system Discuss
- 2. Lichens are the best indicator of
Options- A. Air pollution
- B. Sound pollution
- C. Noise pollution
- D. Water pollution Discuss
- 3. The power of a lens is measured in:
Options- A. diopters
- B. aeon
- C. lumen
- D. candela Discuss
- 4. Iodine test is used to detect
Options- A. Carbohydrate
- B. Fat
- C. Protein
- D. Cholesterol Discuss
- 5. Where is the headquarters of the United Nations Economic and Social Council (ECOSOC) ?
Options- A. Berlin
- B. Spain
- C. London
- D. New York Discuss
- 6. What does airbag, used for safety of car driver, contain?
Options- A. Sodium bicarbonate
- B. Sodium azide
- C. Sodium nitrite
- D. Sodium peroxide Discuss
- 7. The blue colour of the clear sky is due to
Options- A. Diffraction of light
- B. Dispersion of light
- C. Reflection of light
- D. Refraction of light Discuss
- 8. Metal extracted from seawater
Options- A. Potassium
- B. Calcium
- C. Magnesium
- D. Sodium Discuss
- 9. Heavy water is
Options- A. PH7
- B. rain water
- C. deuterium oxide
- D. tritium oxide Discuss
- 10. What invisible force holds you onto the earth, so that you don't simply fall off?
Options- A. gravity
- B. magnetism
- C. wind
- D. speed Discuss
General Science problems
Search Results
Correct Answer: Attraction of the Moon
Correct Answer: Air pollution
Explanation:
1. Lichens are plants that grow in exposed places such as rocks or tree bark.
2. Lichens are widely used as environmental indicators or bio-indicators. They can be used as air pollution indicators, especially of the concentration of sulfur-di-oxide in the atmosphere.
3. They need to be very good at absorbing water and nutrients to grow there.
Correct Answer: diopters
Correct Answer: Carbohydrate
Explanation:
The iodine test is used to test for the presence of starch i.e, Carbohydrate.
Correct Answer: New York
Explanation:
The Economic and Social Council (ECOSOC) is one of the six principal organs of the United Nations for coordinating the economic, social and environmental issues, as well as for implementing internationally agreed development goals. Recently, it is in news because India has been re-elected to the United Nations ECOSOC for another 3-year term. India was among 18 nations to win election to the Economic and Social Council (ECOSOC). India obtained 183 votes, the second highest after Japan in the Asia Pacific category. The elected members of ECOSOC for a three-year term beginning 1 January, 2018 are Belarus, Ecuador, El Salvador, France, Germany, Ghana, India, Ireland, Japan, Malawi, Mexico, Morocco, Philippines, Spain, Sudan, Togo, Turkey and Uruguay. The headquarters of the ECOSOC is located in New York, Unites States.
Correct Answer: Sodium azide
Correct Answer: Dispersion of light
Correct Answer: Magnesium
Explanation:
Magnesium is dissolved in seawater at a concentration of about 1,000 parts per million and is the only metal directly extracted from seawater.
Correct Answer: deuterium oxide
Correct Answer: gravity
Comments
There are no comments.More in General Knowledge:
Programming
Copyright ©CuriousTab. All rights reserved.