Motion-Describing Motion [CBSE (Central Board of Secondary Education) Class-9 Science]: Questions 1 - 4 of 6
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Question 1
Question MCQ▾
An object is said to be in motion:
Choices
Choice (4) | Response | |
---|---|---|
a. | When its position change along a straight line | |
b. | When its position changes with time | |
c. | When its position do not change with time | |
d. | None of the above |
Question 2
Question MCQ▾
Non-uniform motion is:
Choices
Choice (4) | Response | |
---|---|---|
a. | Directly proportional to the time taken | |
b. | Equal in same interval of time | |
c. | It measures the distance travelled by the automobile | |
d. | Inversely proportional to the time taken |
Question 3
Question MCQ▾
Rest and motion are relative terms:
Choices
Choice (4) | Response | |
---|---|---|
a. | Because they depends on the choice of the surroundings | |
b. | An object may be in motion with respect to one surrounding but may be at rest to some other surroundings | |
c. | Because earth is revolving in an almost circular orbit around the sun | |
d. | None of the above |
Question 4
Question MCQ▾
Distance is defined as:
Choices
Choice (4) | Response | |
---|---|---|
a. | It is the shortest distance measured from the initial position to the final position of the object | |
b. | The total path length covered by an object during a given time is the distance covered by it and it does not depend upon the direction of motion | |
c. | None of the above | |
d. | Question does not provide sufficient data or is vague |