CBSE (Central Board of Secondary Education) Class-9 Science: Questions 1 of 547
Question MCQ▾
Physical nature of matter believes that:
Choices
| Choice (4) | Response | |
|---|---|---|
a. | It is continuous just like a block. | |
b. | All kinds of matters to be in the form of tiny particles which are in motion | |
c. | Both a. and b. are correct | |
d. | Question does not provide sufficient data or is vague | |
Answer
c.
Explanation
Physical nature of matter, it was believed either matter to be continuous just like a block of wood, stone or iron are made up of particles just like sand. The second belief is more valid which emphasizes all kinds of matter to be in the form of tiny particles which are in motion. This is also known as particulate nature of matter.