National Science Olympiad Forum By SOF Olympiad Trainer - Page 633
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Mannat Verma from Vivek High School , Chandigarh
Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

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

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Devang Bansal from St Kabir Public School, Chandigarh
Subject :NSO    Class : Class 9

Ans 1:

Yogesh Agrawal from Netizens IIT JEE Foundation , Latur
Class : Class 9
the wave length in air by v=n.lemda, so 350 = 700 . wavelength so wave length = 0.5 m Now when it enters in brass, v = 3500 m/s, so new wavelength = 3500 / 700 = 5 m. So answer is option A, i.e. wavelength will be increased by a factor of 10.

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Devang Bansal from St Kabir Public School, Chandigarh
Subject :NSO    Class : Class 9

Ans 1:

Kokilavani K from Gateway The Complete School, Chennai
Class : Class 9

Ans 2:

Rikhil Gupta from Christ Academy, Bengaluru
Class : Class 9
lets go column wise(up to down) in the first one, the topmost value is 7. if we multiply this value with the second last value(i.e. 3), we get 21. now we must add this 21 with the second term(i.e. 8), and we get the last term that is 29. follow the same logic

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Ayana Garg from Universal High Dahisar, Mumbai
Subject :NSO    Class : Class 3

Ans 1:

Ashwak from Cambridge, Jalandhar
Class : Class 9
We all know that the correct answer is B . It's not the Master Answer !!!!!

Ans 2:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
See see seeIt is B Give me likesIf you like my poetry

Ans 3:

Kashika Goel from DPS Noida, Noida
Class : Class 7

Ans 4:

Angshu from Dehli Public School Bangalore East, Bangalore
Class : Class 9
sorry it is B . My mistake

Ans 5:

Sidharth V from Hindustan International School, Chennai
Class : Class 4
In a circle there is 8 parts in 1 one the top 4 part from left side is shaded in the 2 one the top 3 part is shaded from the left side then on the 1 one then on the bottom 1 one 3 part 4 part . Accordingly b is the answer

Ans 6:

Haris from Deens academy , Banglore
Class : Class 5
all the question answers are b

Ans 7:

ayush kumar from dps noida, delhi
Class : Class 8
hey do not confuse me!!!!!!!!!!!!!!!

Ans 8:

Angshu from Dehli Public School Bangalore East, Bangalore
Class : Class 9

Ans 9:

Koyel Biswas from Adamas World School, Kolkata
Class : Class 5
correct answer is a according to the pattern

Ans 10:

Angshu from Dehli Public School Bangalore East, Bangalore
Class : Class 9

Ans 11:

Angshu from Dehli Public School Bangalore East, Bangalore
Class : Class 9

Ans 12:

ADVAY Rustagi from Vidyashilp Academy , Bengaluru
Class : Class 5
advika take a like ,109090909090 likes

Ans 13:

Angshu from Dehli Public School Bangalore East, Bangalore
Class : Class 9
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Ans 14: (Master Answer)

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

Ans 15:

ayush kumar from dps noida, delhi
Class : Class 8
You do not know what is the patten so kindly do not write anything.

Ans 16:

Angshu from Dehli Public School Bangalore East, Bangalore
Class : Class 9
the correct answer is A according to the pattern

Ans 17:

saisavit from sri kumaran ps, bangalore
Class : Class 8
B

Ans 18:

XXX from SVM, Bangalore
Class : Class 5

Ans 19:

Ashwak from Cambridge, Jalandhar
Class : Class 9
We all know the answer is B . It's not the Master Answer !!!!

Ans 20:

Armaan from BVRTSE, Pune
Class : Class 5
how? according to pattern its A

Ans 21:

Asit desh pandey from Mahindra World School, j
Class : Class 7
B is the answer.

Ans 22:

Yatindra G from SBOA, Chennai
Class : Class 4
it is like 1 and 1 space and then 1 more so accordingly the answer is B it's the MASTER ANSWER!!!

Ans 23:

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

Ans 24:

arin puri from dps, uyyu
Class : Class 8

Ans 25:

Prasanna Hegde from Vibgyor High Horomavu, BENGALURU
Class : Class 5
B is the answerIt is very easy

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tanmay from amaatra academy, bangalore
Subject :NSO    Class : Class 5

Ans 1:

Rishita Verma from Suncity School, Gurgaon
Class : Class 5

Ans 2:

Kashvi Rawat from Gear Innovative International School, Bengaluru
Class : Class 3
one cycle from full moon to new moon or vise-versa = 15 days.15 days will be 28th but not 26th

Ans 3:

SOUVAGYA SAHA from De Nobili School, DHANBAD
Class : Class 10

Ans 4:

Anhad A from Chrysalis, Bangalore
Class : Class 7

Ans 5:

SOURADEEP SHARMILA MANDAL from KENDRIYA VIDYALAYA IISC, Bengaluru
Class : Class 7
you are right it is 13 days not 14 (I too made the same mistake)

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Saina from DPS, Noida
Subject :NSO    Class : Class 4

Ans 1:

Abhinav Kulkarni from National Centre For Excellence, Bengaluru
Class : Class 4

Ans 2:

Yatindra G from SBOA, Chennai
Class : Class 4
The answer is (D) because there is a Kimono, and it is the traditional dress of Japan.

Ans 3:

Anjishnu Kamboj from ST.XAVIER SEC SE CO ed Bhopal, BHOPAL
Class : Class 5
Correct answer is =''D''

Ans 4:

Twisha Arora from Modern Vidya Niketan, Sector - 17, Faridabad, Haryana, FARIDABAD
Class : Class 7
The correct answer should be option D as this is a Kimono in the picture and a Kimono is the traditional dress of Japan

Ans 5:

somesh from Centre point katol road, Nagpur
Class : Class 6
D

Ans 6:

somesh from Centre point katol road, Nagpur
Class : Class 6
It is d

Ans 7:

somesh from Centre point katol road, Nagpur
Class : Class 6
D

Ans 8:

Aryan Swain from Kendriya Vidyalaya, Barimul, Kendrapara
Class : Class 5
The correct answer is D.

Ans 9:

shalini mittal from DPS Greater Noida, Greater noida
Class : Class 4

Ans 10:

Tanishq Jatushkaran from Ryan International School, Navi mumbai
Class : Class 8
ANS=(D)

Ans 11:

Daksh Chanani from Sri Sri academy, Kolkata
Class : Class 7
ANS=d

Ans 12:

Ashwak from Cambridge, Jalandhar
Class : Class 9
The dress shown here is Kimono and is traditional dress of Japan . So answer D is correct .

Ans 13:

Kriti Bhonsale from Delhi Public School, Bengaluru
Class : Class 5
D is correct

Ans 14:

Gunnit Kant from DPS, Nerul, Navi Mumbai
Class : Class 5
d

Ans 15:

Rupsa Bhattacharjee from South City International School, Kolkata
Class : Class 5
Correct answer is D

Ans 16:

Daksh Chanani from Sri Sri academy, Kolkata
Class : Class 7
The dress shown here is Kimono and is a traditional dress of Japan.

Ans 17:

Devansh from asn senior secondary school, delhi
Class : Class 8
correct ANS= [d]

Ans 18:

somesh from Centre point katol road, Nagpur
Class : Class 6
D

Ans 19:

Abhineet Nandy from DPS Whitefield, Bangalore
Class : Class 9
The answer is [D] None of these, because the picture shows Kimono which is the traditional dress of Japan

Ans 20:

Arnesh from DPS Mathura Road , New Delhi
Class : Class 7
THE answer is D

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Pranav Kannan from Phoenix Greens, Hyderabad
Subject :NSO    Class : Class 3

Ans 1:

Shivangi singh from Dps greater Noida, Greater Noida
Class : Class 4

Ans 2:

SPRIHA SINGH from KV BEML Nagar, KGF
Class : Class 4
The correct answer is D .

Ans 3: (Master Answer)

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

Ans 4:

TANVI D MARGHADE from PODAR INTERNATIONAL SCHOOL POWAI, MUMBAI
Class : Class 6

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Pranav Kannan from Phoenix Greens, Hyderabad
Subject :NSO    Class : Class 3

Ans 1:

SPRIHA SINGH from KV BEML Nagar, KGF
Class : Class 4
The correct answer is C

Ans 2:

Pranav Kannan from Phoenix Greens, Hyderabad
Class : Class 3
c

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Gulzar Russell from Kendriya Vidyalaya No.1, Calicut
Subject :NSO    Class : Class 8

Ans 1:

AAshutosh Jindal from HOLY angels school, RAJPURA
Class : Class 8
The ans is A,B

Ans 2:

Harshit from Army Public School, Lucknow
Class : Class 9
Hi friend. The ans is (A) amplitude of vibrating body. HOPE THIS HELPS!!!!

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Soumyaranjan Nath from Delhi Public School , Angul
Subject :NSO    Class : Class 9

Ans 1:

Kshithy G Nair from Chinmaya Vidyalaya Tripunithura, Kochi
Class : Class 9
as momentum is conserved, m1v=(mi m2)3/2v mi=(m1 m2)3/2 ( mutiply both sides )by rearranging and substituting 3m1=m2 the i got is 9

Ans 2:

divanshi from sacred heart convent school, barnala
Class : Class 4
I AM NOT ABLE TO UNDERSTAND THE SOLUTION

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