National Science Olympiad Forum By SOF Olympiad Trainer - Page 218
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MIERA SHARMA from DPS AGRA, AGRA
Subject :NSO    Class : Class 4

Ans 1:

mishika tripathi from DPS, Gurugram, Haryana
Class : Class 5
D

Ans 2:

Twisha Arora from Modern Vidya Niketan, Sector - 17, Faridabad, Haryana, FARIDABAD
Class : Class 7
Yeah, No Solution.

Ans 3:

MIERA SHARMA from DPS AGRA, AGRA
Class : Class 8

Ans 4:

Krisha Ganeriwal from Podar International school, Mysore
Class : Class 2

Ans 5:

MIERA SHARMA from DPS AGRA, AGRA
Class : Class 8

Ans 6:

mishika tripathi from DPS, Gurugram, Haryana
Class : Class 5
no solution

Ans 7:

MIERA SHARMA from DPS AGRA, AGRA
Class : Class 8

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Tanay Jha from Father Agnel School, indirapuram
Subject :NSO    Class : Class 9

A man standing in front of a large wall claps at a regular frequency of 10 Hz. He finds that the echoes coincide with his clapping. (The speed of sound in air is 330 m s-1.)
(i) Time taken between successive clapping is 0.1 s.
(ii) The distance between the man and the wall, after he stops clapping, if he hears one more echo is 33 m.
(iii) The distance between the man and the wall, after he stops clapping, if he hears four more echoes is 66 m.

A Only (i) and (ii) are correct.
B Only (ii) and (iii) are correct.
C Only (i) and (iii) are correct.
D All (i), (ii) and (iii) are correct.


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Eshaan from Kamala Niketan Montessori School, Trichy
Subject :NSO    Class : Class 1

Ans 1:

Harini Kanvinde from Delhi Public School Bangalore North, Bangalore
Class : Class 1

Ans 2:

Mohammad Ateeb Qaiser from DAV PUBLIC SCHOOL, WALMI COMPLEX, PHULWARI SHARIF , PATNA, patna
Class : Class 4
what is the meaning of transportation here?

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Samarth Vijay Yeliathaya from Shri Kumarans Children home,cbse, Bangalore
Subject :NSO    Class : Class 4

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Anaisha Niranjan from DPS Noida, Noida
Subject :NSO    Class : Class 2

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Suraj Gupta from Suncity World School, Gurugram
Subject :NSO    Class : Class 4

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ARUNAV from DPS VINDHYANAGAR, VINDHYANAGAR
Subject :NSO    Class : Class 6

The given figure shows two iron nails X and Y hanging from a magnet. Which of the following statements are correct?
I. Top of nail Y is north pole and bottom of nail Y is south pole.
II. Top of nail X is north pole and bottom of nail X is south pole.
III. Magnetic properties are induced into both the nails X and Y.
IV. Magnetic properties are induced into the nail X only.

AI and II only
BII and III only
CI, II and III only
DI, III and IV only


where is the figure???is sof madi think it isor it does not know english

Ans 1:

Ashmi Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 9
That's what! SOF WHY IN THE WORLD YOU HAVEN'T GIVEN US THE FIGURE!!!!!!!!!!!! IF WE DON'T HAVE FIGURE HOW DO YOU EXPECT US TO ANSWER THE QUESTION???

Ans 2:

Anika S Kumar from Alphabets International school , Chennai
Class : Class 7

Ans 3:

ARUNAV from DPS VINDHYANAGAR, VINDHYANAGAR
Class : Class 10
is sof olympiad trainer mad?where is the figure?is it really mad?or it doesnot know english?

Ans 4:

sudeep from DPS, Bangalore
Class : Class 8
the given figure is not given

Ans 5:

Dushyant Singh from Shree Ram Centenial School, Indore
Class : Class 9
same here by the way the answer is c

Ans 6:

ARUNAV from DPS VINDHYANAGAR, VINDHYANAGAR
Class : Class 10
g

Ans 7:

Ashmi Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 9
But Dushyant anyway thanks for the answerSOF is making LOTS of mistakes nowadays. 😠😠

Ans 8:

Subhang Deep Sahu from Chrysalis High Kadugodi . , Bangalore
Class : Class 7
I did not expect this from SOF

Ans 9:

Tejesh VB from GEMS New Millennium School, Al Khail, Dubai
Class : Class 8
Where is the figure?

Ans 10:

Advait kaushik from Ryan international school, Gurugram
Class : Class 7
it is impossible to solve this hope it does not hapen in real sf exam

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SONAL MUKUND SHINDE from PODAR INTERNATIONAL SCHOOL SANGLI, TASGAON
Subject :NSO    Class : Class 7

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Ram from BVM BHS, Chennai
Subject :NSO    Class : Class 6

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Satwik Roychoudhury from St.Stephens School, Kolkata
Subject :NSO    Class : Class 1

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