National Science Olympiad Forum By SOF Olympiad Trainer - Page 485

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8
The answer is option c

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 7

Ans 2:

Class : Class 3

Ans 3:

Class : Class 5

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 1 i have got 5 times in level 2 and 9 times in level 1

Ans 6:

Class : Class 6

Ans 7:

Class : Class 6

Ans 8:

Class : Class 5

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 6
B

Ans 2:

Class : Class 4
B

Ans 3:

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

Ans 4:

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

Ans 5:

Class : Class 10
option B

Ans 6:

Class : Class 8
option b is the correct answer

Ans 7:

Class : Class 5
B

Ans 8:

Class : Class 4
anser ccccccccccccccccccccccccccccccccccccccccccccccccccccccc

Ans 9:

Class : Class 5
The correct Option is b

Ans 10:

Class : Class 5
B

Ans 11:

Class : Class 4
a

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 10
option C

Ans 2:

Class : Class 5
snowhite corrrect

Ans 3:

Class : Class 7
c is the right option

Ans 4:

Class : Class 5
C

Ans 5:

Class : Class 5

Ans 6:

Class : Class 4

Ans 7:

Class : Class 5

Ans 8:

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

Ans 9:

Class : Class 5
Option c

Ans 10:

Class : Class 7
The answer is option A

Ans 11:

Class : Class 8
the answer is[ A]

Ans 12:

Class : Class 5
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
question incomplete

Ans 2:

Class : Class 3

Ans 3:

Class : Class 3
Question in complete

Ans 4:

Class : Class 5
question is incomplete

Ans 5:

Class : Class 3

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Subject :NSO    Class : Class 5

Ans 1:

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

Ans 2:

Class : Class 10

Ans 3:

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 4:

Class : Class 10
dumb SOF

Ans 5:

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

Ans 6:

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

Ans 7:

Class : Class 10

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 9

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

Ans 4:

Class : Class 8

Ans 5:

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?

Ans 6:

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

Ans 7:

Class : Class 8

Ans 8:

Class : Class 8

Ans 9:

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 10:

Class : Class 8
Completely agree. ????

Ans 11:

Class : Class 10

Ans 12:

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

Ans 13:

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

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 10
It should be option c

Ans 2:

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

Ans 3:

Class : Class 10

Ans 4:

Class : Class 8
both 1 and 3 should be answers

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Subject :NSO    Class : Class 3

Ans 1:

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

Ans 2:

Class : Class 3
B

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