NSO Level 1- Science Olympiad (SOF) Class 9: Questions 556 - 561 of 2138
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Question 556
Question MCQ▾
A meteor is falling. How much gravitational acceleration would it experience when its height from the surface of the earth is equal to five times the radius of the earth? (Given that the acceleration due to gravity on the surface of the earth is )
Choices
Choice (4) | Response | |
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a. | ||
b. | ||
c. | ||
d. |
Question 557
Question MCQ▾
The mass of a sphere is three times of the mass of another sphere . The sphere moves at velocity of the sphere . The ratio of the kinetic energy of sphere to that of is:
Choices
Choice (4) | Response | |
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a. | ||
b. | ||
c. | ||
d. |
Question 558
Question MCQ▾
In a steel block is released from a height of and an identical block made up of wooden is released from same height simultaneously, in vacuum, then which blocks reach the ground first?
Choices
Choice (4) | Response | |
---|---|---|
a. | Wooden block | |
b. | Steel block | |
c. | Steel and Wooden block reach at same time | |
d. | None of the above |
Question 560
Question 561
Question MCQ▾
Animals with backbone is known as
Choices
Choice (4) | Response | |
---|---|---|
a. | Arthropods | |
b. | Vertebrate | |
c. | Annelids | |
d. | Invertebrate |