National Science Olympiad Forum By SOF Olympiad Trainer - Page 459

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 5

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Class : Class 8

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Class : Class 8

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Subject :NSO    Class : Class 4

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Class : Class 5
so did i pranab

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Class : Class 4
X is carbon dioxide Y is chlorophyll Z is oxygen So then the correct answer would be B

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Class : Class 4
Yes the answer is B

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Class : Class 6
i did not understand anything/

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 8

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Class : Class 8
excuse me!!!! Is water not a liquid? :)

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Class : Class 10
yes it is but it does not have ions that can conduct electricity

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Subject :NSO    Class : Class 8

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Class : Class 10

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Class : Class 10

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Class : Class 9
Nothing has been mentioned here, how are we supposed to know whether or not the object is placed at 2F(1) and its image is formed at 2F(2)

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Subject :NSO    Class : Class 8

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Class : Class 9

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Class : Class 10

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Class : Class 8
Yes the answer needs to b option B

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Class : Class 8
The answer must be Option B

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Class : Class 8
I too did B but the answer according to sof is DPlease explain

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Class : Class 8
ya its b

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Class : Class 9
Even i chose option B. Plz explain why would the answer be option D

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Class : Class 5
Option B

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Class : Class 8
no guys m sorry but their answer is correct as when we wear water goggle we can see clear. its fault our eyes not water.

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Class : Class 6

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Class : Class 10
b?

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Subject :NSO    Class : Class 4

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Class : Class 2
D is the correct answer as the moon takes approximately 3 days change from one phase to another. after new moon cresent moon comes.

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Class : Class 4

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Class : Class 4
eweaafdzdxfdxfxfxcxhvcxhfd ttfutdxdxudfxudfxfccfcf

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Class : Class 4
D

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Class : Class 7
the answer is D. because after the full moon, there comes the glibbous moon

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Class : Class 4
Given figures show the shapes of Moon seen from Earth on different nights:We know that the moon changes from one phase to the next in approximately 3 days. Same is shown by the above figures. Let’s see what all phases the moon has, and put the above given dates to the right phases:That means on January 17, it would be a crescent moon – waxing crescent moon.Hence, the right answer is Option D.

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Class : Class 4

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Class : Class 5
answer is d because after new moon cresent moon comes after 2 days

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