National Science Olympiad Forum By SOF Olympiad Trainer - Page 693
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John Calvin from vaels billabong, kottiwakkam
Subject :NSO    Class : Class 5

Ans 1:

Mahadevan from KV Rubber Board Kottayam, Kottayam
Class : Class 9
answer is C

Ans 2:

Sri Susrutha Chowdary Karnati from Vibgyor high , Bangalore
Class : Class 8
ANSWER IS D

Ans 3:

Rishi from Deens Academy, BENGALURU
Class : Class 7
mo the film will pop so ans is d

Ans 4:

Srishti Verma from Basava International School, New delhi
Class : Class 5

Ans 5:

AARAV AGRAWAL from BIRLA DIVYA JYOTI, SILIGURI
Class : Class 8
a b c d e f g h i j k l m n o p q r s t u v w x y z.......... Confusing .......... z y x w v u t s r q p o n m l k j i h g f e d c b a

Ans 6:

Vihaan malhotra from The shriram school, New delhi
Class : Class 5
C

Ans 7:

Hari Govind from Delhi Public School Chandigarh , Chandigarh
Class : Class 6
d

Ans 8:

Durva Shah from SSRVM, Ahmedabad
Class : Class 6
Option DThe film of soapy water will burst as the water will get evaporated........

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Shruti Rajshree from NPS Indiranagar, Bengaluru
Subject :NSO    Class : Class 4

Ans 1:

Jordan Cole from NCS Arakkonam, Arakkonam
Class : Class 3

Ans 2:

Aryan Swain from Kendriya Vidyalaya, Barimul, Kendrapara
Class : Class 5
A is not a mirror image. @SOF Please change the answer.

Ans 3:

Jeet Anandani from Pawar public school, Mumbai
Class : Class 4
aa

Ans 4:

lavanya from bcm chd road, Ludhiana
Class : Class 5

Ans 5:

avighna wuthoo from The bishop school , PUNE
Class : Class 7

Ans 6:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
In A the mirror image of B is wrong and in D it is not a mirror image.In fact A and D both are not mirror images .Hence, the confusion between A and D

Ans 7:

Harishchandra C from narayana e techno school, chennai
Class : Class 5
THEY CAN TELL THAT WHICH IS NOT MIRROR IMAGE OR MIRROR IMAGE

Ans 8:

Shreeya Mangla from ASN Senior Secondary School, New Delhi
Class : Class 9

Ans 9:

Sashriti Das from Delhi Public School Bangalore North, Bangalore
Class : Class 5
I Don't Understand?

Ans 10:

TARA NAUTIYAL from CONVENT OF JESUS AND MARY, DEHRADUN
Class : Class 4
A is not a mirror image

Ans 11:

Jeevi Ran from THANGAM MOUNT litera zee school at AYOTHIYAPATTINAM , Salem
Class : Class 6
A

Ans 12:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
Yes A is not a mirror image SOF change answer

Ans 13:

Shreeya Mangla from ASN Senior Secondary School, New Delhi
Class : Class 9

Ans 14:

Arnav Thombare from DAV Public School Thane, Thane
Class : Class 4

Ans 15:

Ahaan Mittal from Primus Public School, Bengaluru
Class : Class 8
They were trying to show the mirror image but OptionA is not shown correctly as the mirror image. Hence the confusion. between A and D.

Ans 16:

Adit Aggarwal from Vibgyor High, Bengaluru
Class : Class 5
A is not a mirror image. Requesting SOF to correct the same.

Ans 17:

SRISANTH from Edify, Tirupathi
Class : Class 5
A is almost a symmetrical figure

Ans 18:

Jeet Anandani from Pawar public school, Mumbai
Class : Class 4
a

Ans 19:

yajur from dps vk, delhi
Class : Class 3

Ans 20:

Harsh Sobti from the samhita academy, BLR
Class : Class 5
answer can be b

Ans 21:

Alisha from Delhi Public School , bopal, Ahemdabad
Class : Class 8
A IS NOT A MIRROR IMAGE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Ans 22:

Soorya Tej R from Delhi Public School, Hyderabad
Class : Class 6

Ans 23:

Ava from trio, bangalore
Class : Class 2
C

Ans 24:

Samaira from Global Indian International School, Bangalore
Class : Class 8
I don’t understand how can d be the answer

Ans 25:

Rishik De Sarkar from Delhi Public School Gurgaon, Gurgaon
Class : Class 7
A

Ans 26:

Raghav from DPS Gurgaon, Gurgaon
Class : Class 5
A

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DIYA NOBY from VISWAJYOTHI CMI PUBLIC SCHOOL, ANGAMALY
Subject :NSO    Class : Class 5

Ans 1:

Preeti tanwar from DON BOSCO ACADEMY, Patna
Class : Class 9
Second class lever

Ans 2:

Aryan Sirohi from Mount LItera Zee School, Bangalore
Class : Class 8
Second class lever.

Ans 3:

Preeti tanwar from DON BOSCO ACADEMY, Patna
Class : Class 9
Second class lever

Ans 4:

Syeda Safina Taj from Federal public school, Bengaluru
Class : Class 4
Second lever

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ATHARVAA PAUNIPAGAR from VIBGYOR HIGH, GOREGAON, MUMBAI, Mumbai
Subject :NSO    Class : Class 1

Ans 1:

Hanita from Freedom International school , Bangalore
Class : Class 5
What is the name of plant in A

Ans 2:

ishan singh from gems modern academy , gorakhpur
Class : Class 2
I could not understand the plants

Ans 3: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
Yes. A is the answer.

Ans 4:

Anurag SARKAR from Julien Day school GANGANAGAR MADYAMGRAM, madyamgram ganganagar
Class : Class 5
PICTURE IS NOT CLEAR AT ALL

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kalra Shaleen from Jalandhar, Jalandhar
Subject :NSO    Class : Class 2

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kalra Shaleen from Jalandhar, Jalandhar
Subject :NSO    Class : Class 2

Ans 1:

Trishar Das from Amity International School Noida, Noida
Class : Class 7
The d image also has striaght lines at the corners, so that could also be the answer. The answer choices are not correct.

Ans 2:

S.R.POORNA from Padma Seshadri Bala Bhavan Senior Secondary School, Chennai
Class : Class 2
d

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Navneeth Reejish from Yuvabharati International school, Singapore
Subject :NSO    Class : Class 4

Ans 1:

Arnav Raj Sharma from GEMS International School the ultra master mega, Gurgaon
Class : Class 7
GIVE SOLUTION

Ans 2:

Ambit Biswas from Oriental Public School, Kalyani, Kalyani
Class : Class 5
The answer is D because A, B and C have thin rubber band and in D, the rubber band is Fat.

Ans 3:

Soumya Bajaj from Rainbow Internatinal School, kopergaon
Class : Class 4
AS THINNER RUBBER WOULD BE PULLED TO A MAXIMUM DISTANCE HENCE MORE SOUND.

Ans 4:

Twisha Arora from Modern Vidya Niketan, Sector - 17, Faridabad, Haryana, FARIDABAD
Class : Class 7
@Soumya Bajaj is right. @Vansh Garg, have you measured the sound's frequency in Decibels? The correct answer is A because the thinner the rubber band, the more it will strech and the more it will strech, the more sound it will produce.(Master Answer)

Ans 5:

Aarav Gupta from TSRS Aravali, Gurugram
Class : Class 7
The answer will be D because big rubber band so more sound as the wide rubber band is striking back on more part of the wooden piece.

Ans 6:

Aarav Gupta from TSRS Aravali, Gurugram
Class : Class 7
The answer should be d because the rubber band is wider so it is striking back on the wooden piece on more area.

Ans 7:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
D D D IT IS D I WILL TELL YOU IT IS DI WILL TELL YOU THAT I AGREEWITH SOMEONE OVER HERE CALLED AYUSHI

Ans 8:

Navneeth Reejish from Yuvabharati International school, Singapore
Class : Class 7
D is wrong.

Ans 9: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

Ans 10:

Ayushi from DPS Noida, Noida
Class : Class 4
Ans A would be right if it says Sharpest sound !Ans D is correct in this case as it ask loudest sound

Ans 11:

VANSH GARG from DPSG, GHAZIABAD
Class : Class 4
I have done some practical observations and found that the fatter rubber band produces louder sound than A,B,C .Correct ans... is D

Ans 12:

Saarth Agrawal from Podar International School , Mumbai
Class : Class 6
I will also agree with Ayushi

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swagat sibsshish from davpublic school cuttack, Cuttack
Subject :NSO    Class : Class 6

Ans 1:

swagat sibsshish from davpublic school cuttack, Cuttack
Class : Class 8

Ans 2:

swagat sibsshish from davpublic school cuttack, Cuttack
Class : Class 8
interesting questions

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Annika from Apeejay School, Noida
Subject :NSO    Class : Class 9

Ans 1:

Safi Ahmed from ,
Class :
a

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Aditri Gogoi from Delhi Public School, Jamnagar
Subject :NSO    Class : Class 2

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