Saved Bookmarks
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 501. |
Clouds float in the atmosphere because of their |
|
Answer» Low density The key to why clouds float is that the density of the same volume of cloud material is LESS than the density of the same amount of dry air. Just as OIL floats on water because it is less DENSE, clouds float on air because the MOIST air in clouds is less dense than dry air. |
|
| 502. |
Who is known as the 'father of quantum theory'? |
|
Answer» |
|
| 503. |
The absorption of ink by blotting paper involves |
|
Answer» Capillary action phenomenon The absorption of ink by blotting paper involves capillary action phenomenon because the blotting paper is a THIN and a smooth paper which ALLOWS a LITTLE thicker liquids LIKE ink to ABSORB. |
|
| 504. |
What is the other name of Galileo's law of falling bodies? |
|
Answer» Newton's first law is the other NAME of Galileo's law of FALLING BODIES. |
|
| 505. |
Which of the following laws validates the statement that matter can neither be created nor destroyed ? |
|
Answer» LAW of CONSERVATION of mass Law of conservation of mass validates the STATEMENT that matter can neither be CREATED nor destroyed. |
|
| 506. |
When heated from 0 to 100oC volume of a given mass of water will : |
|
Answer» DECREASE and then will increase From WATER at 0°C to water at 4°C, on addition of heat, the water surprisingly, contracts till it reaches maximum density at 4°C. This negative THERMAL expansion is termed as the anomalous expansion of water. From water at 4°C to water at 100°C, water shows a positive cubical thermal expansion LIKE other substances and gradually expand with the increase in temperature. |
|