National Science Olympiad Forum By SOF Olympiad Trainer - Page 475

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 7

Ans 2:

Class : Class 8
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Ans 3:

Class : Class 7
A IS THE ANSWER

Ans 4:

Class : Class 8

Ans 5:

Class : Class 8
option a is right though india has found water on the moon. They cant decompose if they are dead anyways

Ans 6:

Class : Class 5
a

Ans 7:

Class : Class 4
dude who got this one wrong mam

Ans 8:

Class : Class 5
Option a is correct

Ans 9:

Class : Class 8
a

Ans 10:

Class : Class 7
A is the answer to this question

Ans 11:

Class : Class 8
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Ans 12:

Class : Class 7
A

Ans 13:

Class : Class 9
Option C

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
Answer: The answer could be option B. Explanation: Assume the solar system as a circle, the sun as the radius( center) and the planets' orbits as the circumference( circle boundary). Mercury, with the least circumference length, revolves less distance than any other planet. This also means that it will take the least time to revolve around the Sun( 88 Earth Days ). Neptune, being the farthest of all planets, revolves more distance compared to others. Neptune takes the highest time to revolve( 165 Earth Years).[ Viewing the solar system Diagram would help.] Therefore, less the distance from the Sun, less the time taken to revolve; more the distance from the Sun, more the time taken to revolve.

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 8
i am confused

Ans 2:

Class : Class 7
D

Ans 3:

Class : Class 3
A

Ans 4:

Class : Class 6
C

Ans 5:

Class : Class 5
ANS A is correct

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Subject :NSO    Class : Class 8

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 1
Ans 3 is wrong the correct ans is D.

Ans 2:

Class : Class 7

Ans 3:

Class : Class 4
well I have no idea if the answer D is correct or not but i think that answer C is not correct as how can you say that the syringe which is inside water will get the force of air

Ans 4:

Class : Class 5
D is the correct answer

Ans 5:

Class : Class 7
C is the answer to this question

Ans 6:

Class : Class 9
pratham dave u r a fool it will be wrong worst science studier. Devina u r right my dear friend but just look at the sollution, and biju are u mad ans three did not even reply u mad u say she is wrong dont talk all this rubbish in chat

Ans 7:

Class : Class 5
D is correct there is no space in the syringe when you push the plunger down

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
Correct answer is what

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
the answer is not 0.75 because the object was at rest till 5 sec then the object starts moving from 2m to 9m so total distance traveled will be 7 m so 7/12 is not equal to 0.75

Ans 2:

Class : Class 7

Ans 3:

Class : Class 4
how come, Some one pls explain

Ans 4:

Class : Class 7

Ans 5:

Class : Class 10
HERE CORRECT ANSWER IS GIVEN AS B THAT IS 0.58

Ans 6:

Class : Class 7

Ans 7:

Class : Class 1
It moved only 7m not 9m. It started from 2m. Refer the solution also

Ans 8:

Class : Class 8
2.17 is the answer

Ans 9:

Class : Class 7
The answer should be 0.75, the options provided are wrong

Ans 10:

Class : Class 5
I didn't understand the questionPlease explain🙏🙏🙏

Ans 11:

Class : Class 8
answer should be 0.48

Ans 12:

Class : Class 9
how is this 2.17,can you explain,we got 0.48

Ans 13:

Class : Class 4
can some one pls explain

Ans 14:

Class : Class 7
2.17

Ans 15:

Class : Class 7
shouldn't the answer be 0.75 m per sec??

Ans 16:

Class : Class 4
I think 0.75, though not in options

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5

Ans 2:

Class : Class 5
a

Ans 3:

Class : Class 5

Ans 4:

Class : Class 5

Ans 5:

Class : Class 4
D

Ans 6:

Class : Class 4
why it is D

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