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Koustuv ghosh from kendrya vidyala, Pathankot
Subject :NSO    Class : Class 5

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Niten Mohan from ,
Subject :NSO    Class : Class 5

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Sumayah from Strawberry Fields High School, Chandigarh
Subject :NSO    Class : Class 4

Ans 1:

Shagun from MAXFORT DWARKA, New Delhi
Class : Class 5
c- 7/6

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KISHORE KUMAR E from MAHARISHI INTERNATIONAL RESIDENTIAL SCHOOL, SUNGUVARCHATHIRAM
Subject :NSO    Class : Class 8

Ans 1:

Govind Garg from Unknown, MORENA
Class : Class 8
It should be 3 because human ear can hear 20 hz to 20 khz

Ans 2:

ALEN from MODEL SCHOOL, ROHTAK
Class : Class 8
It should be 3

Ans 3:

ALEN from MODEL SCHOOL, Rohtak
Class : Class 8
It should be 3 😡😡

Ans 4:

Mayank Mishra from Greenfields Public School, Delhi
Class : Class 8
it should be 3

Ans 5:

Bhavesh Bhagat from Podar International School Kalyan, Kaylan
Class : Class 10
It should be 3

Ans 6:

Govind Garg from Unknown, MORENA
Class : Class 8
Sorry it should be 1

Ans 7:

Rifa Khan from Rps public school , Bhiwadi
Class : Class 10
Yes the answer should be 3 because human's Audible range is fron 20HZ TO 20KHZ.And here10 khz,0.1 khz and 1 khz comes Under this but not 100khzThanks.

Ans 8:

Rifa Khan from Rps public school , Bhiwadi
Class : Class 10

Ans 9: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is A.

Ans 10:

Aditya Pisipati from Vikas The concept school, Hyderabad
Class : Class 8
The answer should be 3 because humans can hear sounds ranging from 20 Hz to 20,000 Hz.

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SAANVI.SHUKLA from DELHI PUBLIC SCHOOL, NOIDA
Subject :NSO    Class : Class 2

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Mayank Gupta from Kulachi Hansraj Model School, New Delhi
Subject :NSO    Class : Class 7

Ans 1:

Hritvi from Podar International School, Mumbai
Class : Class 7
the answer is A. If you heat a system then that is obvious that its temperature will rise, how can it remain the same when it is heated up. if SOF Olympiad says the answer is C then it has to give a better solution with more examples so that we can understand it better.

Ans 2:

Agriye Kamboj from ST.XAVIER SEC SE CO ed Bhopal, BHOPAL
Class : Class 4
I THINK THE ANSWER SHOULD BE D

Ans 3:

Suchita A from PSBB Millennium, Gerugambakkam, Chennai
Class : Class 7
its A!!

Ans 4:

SARTHAK SHRESTHA from DPS RUBY PARK, KOLKATA
Class : Class 7
latent heat property

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Yeasvith Vema from TMS, Gurgaon
Subject :NSO    Class : Class 2

Ans 1:

Anshul Sameer Darne from Ryan International School, Masdar
Class : Class 6
heart because you said no organ will get blood....

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from DPS, Hyderabad
Subject :NSO    Class : Class 5

Ans 1:

Arnav Raj Sharma from GEMS International School the ultra master mega, Gurgaon
Class : Class 7
(A)

Ans 2:

Kenisha Tamboli from Mansukhbhai Kothari National School, Pune
Class : Class 6

Ans 3:

from GIIS,
Class : Class 4
B is the correct answer

Ans 4:

Awani Ajit Surwade from Aaryans World School, Bhilarewadi Pune
Class : Class 4

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Sahasra Shanker from KV IIT, Chennai
Subject :NSO    Class : Class 6

Ans 1:

SRIRAM SRINIVASAN PAKU from KENDRIYA VIDHALAYA ASHOK NAGAR, CHENNAI
Class : Class 6
thks ribirta

Ans 2:

PAYAL from DPS BHILAI, BHILAI
Class : Class 8
Yes, it will be option no. A.👍

Ans 3:

Vasudev Krishna from Indian School Al Ghubrah, Muscat
Class : Class 7

Ans 4:

Akshara from sishya OMR , chennai
Class : Class 8

Ans 5:

Ritabrata Das from OPJS, Angul
Class : Class 7
PQ shows the time taken by the ice to melt into water. Here, the temperature is steady – at 0°C. QR shows the time taken by the melted water to heat up and reach boiling point. Here, the temperature rises to boiling point – from 0°C to 100°C. RS shows the time taken by the water to evaporate. Here again, the temperature is steady – at 100°C. Part PQ shows melting of ice.Hence, the right answer is Option A.

Ans 6:

Vasudev Krishna from Indian School Al Ghubrah, Muscat
Class : Class 7

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Daksh Jain from Deens Academy, Bangalore
Subject :NSO    Class : Class 1

Ans 1:

Varnit khurana from Saint kabir school, Hissar
Class : Class 7
It's option A.

Ans 2:

preethikha.s from C.S.Academy, Coimbatore
Class : Class 1
Its A..Jaya only

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