NSO Level 1- Science Olympiad (SOF) Class 9: Questions 948 - 954 of 1128
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Passage
Direction: Read the passage carefully and answer the following questions
An ice block of mass moving with a speed of struck with another ice block of mass , resting on a frictionless floor after forcing it to move ahead.
Question 948 (2 of 3 Based on Passage)
Question
MCQ▾The initial acceleration of the second ice block would be
Choices
| Choice (4) | Response | |
|---|---|---|
a. | ||
b. | ||
c. | ||
d. | ||
Question 949 (3 of 3 Based on Passage)
Question
MCQ▾Total momentum after collision would be
Choices
| Choice (4) | Response | |
|---|---|---|
a. | ||
b. | ||
c. | ||
d. | ||
Question 950
Question
MCQ▾Proportional to the square of the time taken. This theory was introduced by
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Galileo Galilei | |
b. | Albert Einstein | |
c. | Archimedes | |
d. | Sir Isaac Newton | |
Question 951
Question
MCQ▾Kavya is listening to a sound of at a distance of from the source of a sound. What is the time interval between successive compressions from the source reaches him?
Choices
| Choice (4) | Response | |
|---|---|---|
a. | ||
b. | ||
c. | ||
d. | ||
Question 952
Question
MCQ▾If the driver applies breaks suddenly in a moving bus, what happens to the passengers?
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Move forwards | |
b. | Move sidewise | |
c. | Do not move | |
d. | Move backwards | |
Question 953
Question
MCQ▾Which of the following is not a cause of starting motion?
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Pulling | |
b. | Pushing | |
c. | Hitting | |
d. | None of the above | |
Question 954
Question
MCQ▾When you start walking on a road, which of the following force will help you to move forward
Choices
| Choice (4) | Response | |
|---|---|---|
a. | The force that the ground exerts on your feet | |
b. | The muscular force you exert on the ground | |
c. | All of the above | |
d. | Question does not provide sufficient data or is vague | |