NSO Level 1- Science Olympiad (SOF) Class 9: Questions 472 - 478 of 2138
Choose Programs:
🎯 2138 MCQs (& PYQs) with Full Explanations (2024-2025 Exam)
Rs. 550.00 -OR-
3 Year Validity (Multiple Devices)
CoverageDetailsSample Explanation
Help me Choose & Register (Watch Video) Already Subscribed?
Question 472
Question MCQ▾
If two particles of masses and are moving with equal kinetic energies, then the ratio of their linear momenta is:
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | 3 | |
c. | ||
d. | 9 |
Question 473
Question MCQ▾
Which of the following features describe the sponges?
Choices
Choice (4) | Response | |
---|---|---|
a. | Choanocytes | |
b. | Presence of one exit and many mouthlets | |
c. | Presence of canal system | |
d. | All a., b. and c. are correct |
Question 474
Question MCQ▾
In sponges, choanocytes are located in
Choices
Choice (4) | Response | |
---|---|---|
a. | Inner Layer | |
b. | Outer layer | |
c. | Question does not provide sufficient data or is vague | |
d. | All of the above |
Question 475
Question MCQ▾
If velocity of body is increase from to in due to force acting on body, then the mass of the body is:
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 476
Question MCQ▾
A ball is dropped from a height and rebounds to height of . The loss of energy is:
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 477
Question MCQ▾
If a motor pumps out water from a well , then the quantity of water pumped out per second is:
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 478
Question MCQ▾
A car of mass travelling hits a concrete wall and comes to a stop in . The magnitude of average force acting on the car to stop by wall:
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |