National Science Olympiad Forum By SOF Olympiad Trainer - Page 540

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6

Ans 2:

Class : Class 6

Ans 3:

Class : Class 5
ans 1 i have got 5 times in level 2 and 9 times in level 1

Ans 4:

Class : Class 6
Of the three mediums, sound waves travel the slowest through gases, faster through liquids, and fastest through solids. Sound waves need a medium to pass through. Liquid molecules are not packed as tightly as solids, and gases are very loosely packed. The spacing of the molecules enables sound to travel much faster through a solid than a liquid or a gas. Sound travels about four times faster and farther in water than it does in air. That means the right answer is Option D.i am the smartest guy in sofi have got once international rank 1in level 2

Ans 5:

Class : Class 5

Ans 6:

Class : Class 7

Ans 7:

Class : Class 3

Ans 8:

Class : Class 5

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
B

Ans 2:

Class : Class 8
option b is the correct answer

Ans 3:

Class : Class 5
the answer is a a a a a a a a!!!!!!!!!!!!

Ans 4:

Class : Class 4
anser ccccccccccccccccccccccccccccccccccccccccccccccccccccccc

Ans 5:

Class : Class 10
option B

Ans 6:

Class : Class 4
B

Ans 7:

Class : Class 6
B

Ans 8:

Class : Class 4
a

Ans 9:

Class : Class 5
B

Ans 10:

Class : Class 6
The correct Option is b

Ans 11:

Class : Class 9
Harsh , the answer is B not A

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 10
option C

Ans 2:

Class : Class 5

Ans 3:

Class : Class 5
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa

Ans 4:

Class : Class 8
the answer is[ A]

Ans 5:

Class : Class 6
Option c

Ans 6:

Class : Class 4

Ans 7:

Class : Class 5

Ans 8:

Class : Class 7
The answer is option A

Ans 9:

Class : Class 9
The answer is A .......

Ans 10:

Class : Class 5
snowhite corrrect

Ans 11:

Class : Class 5
C

Ans 12:

Class : Class 7
c is the right option

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 5
question is incomplete

Ans 2:

Class : Class 3
question incomplete

Ans 3:

Class : Class 3
Question in complete

Ans 4:

Class : Class 3

Ans 5:

Class : Class 3

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6
correct P and Q in the given picture

Ans 2:

Class : Class 6
p should be pure water and q should be impure water so kindly correct the options

Ans 3:

Class : Class 10
dumb SOF

Ans 4:

Class : Class 10

Ans 5:

Class : Class 10

Ans 6:

Class : Class 8
Q should be water salt and P should be pure water

Ans 7:

Class : Class 1
Yes. Even I think that sof here has made a mistake . P and Q should be interchanged . I am reporting this as an error

Ans 8:

Class : Class 6
yes you are right

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 10
But gallium is in solid state at room temperature (20oC)

Ans 2:

Class : Class 8
gallium is solid before 29.73 so mention the tempereture

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8
Yes. Why does it say that?

Ans 2:

Class : Class 8
In solution it is written B is incorrect then HOW THE OPTION 'B' IS COREECT????

Ans 3:

Class : Class 9
it says that b is correct and then in soln. it says b is wrong

Ans 4:

Class : Class 8

Ans 5:

Class : Class 8
Completely agree. ????

Ans 6:

Class : Class 8

Ans 7:

Class : Class 10

Ans 8:

Class : Class 8
in the solution it says that option b is wrong then it says that that the correct option is option b please explain

Ans 9:

Class : Class 8
me too its written wrong and they are ignoring the reviews and comments and errors

Ans 10:

Class : Class 9

Ans 11:

Class : Class 9
In the explanation it is given that option b is wrong. Then how does the OPTION B become the right one ?

Ans 12:

Class : Class 8

Ans 13:

Class : Class 10
why does it say b is wrong(and c is correct) in the solution and that b is the correct answer?Isn't it C?

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8
both 1 and 3 should be answers

Ans 2:

Class : Class 10

Ans 3:

Class : Class 8
speed =frequency*wavelength so frequency is inversely proportional to wavelength so if frequency changes the wavelength will also change

Ans 4:

Class : Class 10
It should be option c

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
B

Ans 2:

Class : Class 4
it should be c or d but it tells b

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 4
so answer is b

Ans 2:

Class : Class 3
B

Ans 3:

Class : Class 2
d!!!!!!!!!!!!!!!!!!!!!!!!!!!!!👍🏼

Ans 4:

Class : Class 6
D

Ans 5:

Class : Class 3
d

Ans 6:

Class : Class 9
D

Ans 7:

Class : Class 5
D

Ans 8:

Class : Class 5
correct answer is d okkkkkkkkkkkkkkkkkkk

Ans 9:

Class : Class 6
d

Ans 10:

Class : Class 4
handspan and footspan are a unit measuring ok

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