National Science Olympiad Forum By SOF Olympiad Trainer - Page 717
  1. Home
  2. /  Forum

User Forum

Ask Your Question
Kanjani Ghonge from Ira Global School, Dombivli
Subject :NSO    Class : Class 4

Post Your Answer

Nikkita from Euroschool Whitefield, Bengaluru
Subject :NSO    Class : Class 6

Ans 1:

Ashmi Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 9
HOW IN THE WORLD IS IT C????

Ans 2:

harry potter from hogwarts, hogsmeade
Class : Class 6
i rock,im the smartest and the answer is c

Ans 3:

Rayansh Mishra from VIBGYOR HIGH MAGARPATTA, Pune
Class : Class 9
It should be ans C , If not pls provide with a solution to the same. SOF olympiad trainer, I also request to ban Harry potter from hogwarts, hogsmede due to his ego which can hurt others feelings and also due to is maybe incorrect saying that he is the smartest of them all

Ans 4:

Navneeth Reejish from Yuvabharati International school, Singapore
Class : Class 7
I agree with everyone, the answer is c as the mirror(point c) is the last object for the light to bounce of before reaching the eyes. I have checked this question online and all the websites ( including world famous Q

Ans 5:

Raghav from Shalom Hills International school, Gurgaon
Class : Class 6
How is it'd'? It is c as the eye is not even looking on point d

Ans 6:

Arsh from Lahs, Gwalior
Class : Class 3
ANS is C!!!!!!!!!!!!!!!!!!

Ans 7:

Naman from Svm, Nalasopara
Class : Class 6
how ans is D????

Ans 8:

Shivansh Pant from National Center For Excellence, Bangalore
Class : Class 10
the answer is c

Ans 9:

SWARIT JAIN from DPS Greater Noida, GREATER NOIDA
Class : Class 9
answer is D , the image of an object in a mirror is virtual and the position of this virtual image is at the same distance inside the mirror as the distance of observers eye from the mirror, so image formed in mirror c would be seen by the observers eye at point d.

Ans 10:

HARSHAL KUTE from cambridge school buldhana, Buldhana
Class : Class 6
I agreed with all. Ans is C.

Ans 11:

Shruti Rajshree from NPS Indiranagar, Bengaluru
Class : Class 3
it is c

Ans 12:

khushi Joshi from Svkm , Mumbai
Class : Class 10
I agree with Aarushi and Tanishtha.The image will be seen on the lower mirror.

Ans 13:

Bhabani Prasad from Narayan School, Kolkata
Class : Class 6
It should be c as the eye can see from that point only.

Ans 14:

Goldilocks from Sharada Mandir School, Miramar, Panjim, Goa, Panjim Goa
Class : Class 8
Hello everyone..I have answered the test and found out that the answer is D...There is no solution

Ans 15:

Dushyant Singh from Shree Ram Centenial School, Indore
Class : Class 9

Ans 16:

Sarang Shete from Amanora School, Pune
Class : Class 8
the answer is not c as the image formed will have the same distance as the original object. the answer should be d.

Ans 17:

Tanishtha from DPS, Greater Noida
Class : Class 7
The ans to this ques is not d because the image will be seen at point c

Ans 18:

Durva Shah from SSRVM, Ahmedabad
Class : Class 6

Ans 19:

Aarushi from Delhi Public School, Bhopal, Bhopal
Class : Class 3
i typed the answer as c because the same concept is followed in the submarine

Ans 20:

Harshil from Pawar Public School, PUNE
Class : Class 6
if the answer is d, then give the solution.

Ans 21:

Shreya Sudarshan from Creaa academy for learning , Bengaluru
Class : Class 7
The correct answer is option C

Ans 22:

Jyothsna Jayesh from Sishya School , Hosur
Class : Class 8
I agree with you all . the answer is C . if the answer is D , please provide a solution

Ans 23:

Shriyann from Suniti Devi Singhania School, Thane
Class : Class 9
Even I agree with answer c

Ans 24:

KARTIK SHINDE from Delhi Public school Rau Indore , indore
Class : Class 4

Ans 25:

Rayansh Mishra from VIBGYOR HIGH MAGARPATTA, Pune
Class : Class 9
ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc

Ans 26:

Sharmi Chowdhury from G.D Birla Centre For Education , Kolkata
Class : Class 7
It should be c....

Ans 27:

sankalp from Gyan Bharti School, Saket, Delhi
Class : Class 10
because I think if you just forget that how a periscope works, and see through it then your brain would think that the object is on point d.

Ans 28:

Tejesh VB from GEMS New Millennium School, Al Khail, Dubai
Class : Class 8
C

Ans 29:

Pragnay Priyadarshi from Quantum Leap School, HYDERABAD
Class : Class 7
It’s cHow in the world is d. It’s not even in the periscope

Ans 30:

Soumyaraj Roy from Kendriya Vidyalaya , Thiruvananthapuram
Class : Class 7
Do not fight so much, it is just a printing mistake. It happens with many questions.

Ans 31:

Hari Govind from Delhi Public School Chandigarh , Chandigarh
Class : Class 6
the answer is C

Ans 32:

krish bansal from PODAR INTERNATIONAL SCHOOL, BHAVNAGAR
Class : Class 1
Answer should be C!!!

Ans 33:

Shreyansh Gupta from MVN, faridabad
Class : Class 7
The answer is legit C everyone

Ans 34:

Anika Saha from New Town School, KOLKATA
Class : Class 6
The ans is C,C,C and only C .

Ans 35:

Sarthak yadav from RPS, Mahendragarh
Class : Class 9
answer should be c

Ans 36:

Ramya Bn from Ryan International school, Bangalore
Class : Class 6
Ans is C

Ans 37:

mystic bro7pro from arbor school, Hyderabad
Class : Class 5
CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Ans 38:

Vidwat Amal from Podar International School , Anand
Class : Class 8
C is the answer

Ans 39:

Priyam Bhattacharya from cambridge court high school, jaipur
Class : Class 6
cccccccccccccccccccccccccc!!!!!!!!!!!

Ans 40:

Aarnav Grover from Anand Niketan Shilaj, Ahmedabad
Class : Class 9
why is it D? it should be C

Ans 41:

Aarush Patil from St.Arnold's, pune
Class : Class 1
Eyes its c for sure......😁😁

Ans 42:

Ishaan Ahuja from TSMS, Noida
Class : Class 6
ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc

Ans 43:

BHAVYA JHA from GLOBAL CITY INTERNATIONAL SCHOOL, BANGALORE
Class : Class 6
yes ,its c !!!

Ans 44:

Asank Kumar from Delhi Public School, navi mumbai
Class : Class 10
yes.

Ans 45:

AJAY LAHOTI from SPRINGDALES DUBAI, Dubai
Class : Class 6
Cccccccccccccccccccccccccc nothing except cccccccccccccccccc. Every one is correct d is wrongggggg

Ans 46:

Abhijato Chatterjee from Bharatiya Vidya Bhavan, Kolkata, kOLKATA
Class : Class 6

Ans 47:

Utkarsh Chakravarty from Pinnacle High International School, Mumbai
Class : Class 6
it should be C because in a periscope it reflects light SOF is wrong they are saying D

Ans 48:

shalini mittal from DPS Greater Noida, Greater noida
Class : Class 4
ansssssssssssssssss shouldddddddddddd beeeeeeeeeeeeeee ccccccccccccccccccccccccc

Ans 49:

Ritabrata Das from OPJS, Angul
Class : Class 7
its c noobs

Ans 50:

Parshti Bajpai from Modern Public School, ALWAR
Class : Class 7
IT'S C PLEASE UPDATE IT!!!!!!! I agree with you all it's C

Ans 51:

Aarush Laddha from NCFE, bengaluru
Class : Class 6
Answer should be C as that is the only point the eye is looking at.

Ans 52:

SAMPAD BANERJEE from DELHI PUBLIC SCHOOL , BILASPUR
Class : Class 9
THE ANSWER SHOULD BE CCCC!!!!!!!!!!!!!!!!!!!!!!!!!!!

Ans 53:

Morom from DPS numaligarh, Golaghat
Class : Class 6
when we see the result is says d is the correct answer

Ans 54:

sujata patel from Podar International, Pune
Class : Class 6
cccccccccccccccccccccccccccccccccccccc!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Ans 55:

Omkar Deshmukh from phoenix greens international school, Hyderabad
Class : Class 7
It should be C as same concept is used in submarines

Ans 56:

UTSAV from CHINMAYA Vidyalay, Unchahar
Class : Class 4
It should be 'c' as the image of 'O' is seen on the mirror at 'c' and same concept is used in periscopes.

Ans 57:

Omkar Deshmukh from phoenix greens international school, Hyderabad
Class : Class 7
i agree with you.

Ans 58:

Ayush Chauhan from Modern Public School, Bhiwadi
Class : Class 9
It's C for sure

Ans 59:

Pragnay Priyadarshi from Quantum Leap School, HYDERABAD
Class : Class 7
It’s c

Ans 60:

Agrim Jai from Modern Bharakhamba, Delhi
Class : Class 7
C

Ans 61:

Durva Shah from SSRVM, Ahmedabad
Class : Class 6
I think it should be C ......... SOF pls give the solution .............

Ans 62:

Sidharth R Oleti from National Public School HSR, Bangalore
Class : Class 8

Ans 63:

Agustya vaid from Somerville school vasundhara enclave, Delhi
Class : Class 7
the answer is surely c!!!!!!!

Ans 64:

ARUNAV from DPS VINDHYANAGAR, VINDHYANAGAR
Class : Class 10
cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Ans 65:

bhavya from B.D.M INTERNATIONAL .. GARIA, KOLKATA
Class : Class 6
it is c no doubt.......

Ans 66:

Aadvik saini from Mvn sector 17, Faridabad
Class : Class 8
i agree with everyone that say that the answer is cccccccccccccccc!

Ans 67:

Ashmi Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 9
Sorry I put the previous comment by mistake....HOW IS IT D?????

Ans 68:

Devdarsh hero from HOLY GRACE, Mala
Class : Class 6
it should be c and if not, please provide the solution

Ans 69:

Rabhya Agarwal from Amity noida, Delhi
Class : Class 7
it is so wrong! the answer is surely c. they are cheating us for money

Ans 70:

Ashwin Shridhar from Vidyashilp Academy, Bangalore
Class : Class 9
Answer is C. The concept is followed in a periscope and the object is only seen on the mirror and not outside.

Ans 71:

Arkaprabho Sau from Griffins International School, Kharagpur
Class : Class 9
the answer is c ....

Ans 72:

mathangi jp from Vidhya Niketan Public School, Coimbatore
Class : Class 10
C

Ans 73:

AJAY LAHOTI from SPRINGDALES DUBAI, Dubai
Class : Class 6
cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc

Ans 74:

Aahan Jain from ,
Class : Class 1
ANS IS CCCCCCCCCCCCCCCC!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Ans 75:

Anmol kathar from deogiri global academy, aurangabad
Class : Class 10
as all my friends are agree with ans C I am also agree with that ans because the only point is in fig that 'c' from where we can see image 'o'

Ans 76:

Smita De from Bishop Cotton Girls School, BANGALORE
Class : Class 5
it is CCCCCCCCCC so obvious

Ans 77:

Atul Sanjeev from Indian School Al Ghubra, Muscat
Class : Class 9
The ans is Noobs

Ans 78:

Parth Kaushish from MDPS, Faridabad
Class : Class 6
How the hell is it d even if we take it the wrong way there is a one in a ten million chance someone gets a then how d is even possible this is idiotic

Ans 79:

P A Reyyansh from Ann Mary School, Dehradun
Class : Class 10
Answer should be 'C' as the eye can see the image on the first mirror as light will reflect from the second mirror at an angle that it hits the first mirror and then the eye

Ans 80:

Can I get Rank 35 darryl from Global Indian international school, Brawl stars
Class : Class 8
it is c

Post Your Answer

sonakshi singh from Delhi Public School Neelbadh , Bhopal
Subject :NSO    Class : Class 4

Post Your Answer

Nivedya Biju from Kendriya Vidyalaya, Bangalore
Subject :NSO    Class : Class 3

Ans 1:

Priyanshi Pritam from Vibgyor High, Bangalore
Class : Class 4

Ans 2:

Y from Rainbow , Jaipur
Class : Class 3
Why the answer is not B

Ans 3:

Abhijeet Gopinath from Greenwood High, Bengaluru
Class : Class 3
The correct answer is D

Ans 4: (Master Answer)

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

Ans 5:

Priyanshi Pritam from Vibgyor High, Bangalore
Class : Class 4
ctvgukyvvrcutetuvuytvurcdeyttv

Post Your Answer

Shriya Sreekrishna from BLUEBELLS SCHOOL INTERNATIONAL, New Delhi
Subject :NSO    Class : Class 5

Post Your Answer

Kanjani Ghonge from Ira Global School, Dombivli
Subject :NSO    Class : Class 4

Ans 1:

sonakshi singh from Delhi Public School Neelbadh , Bhopal
Class : Class 6
it is water vapour and snow it is option b

Post Your Answer

Ashmi Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Subject :NSO    Class : Class 2

Ans 1:

Hargun Wadhwa from Manav Rachna International School, Sector 46 Gurgaon
Class : Class 4
5 2-3=44 5-6=3ans is 3

Ans 2:

Ishaq from Glendale Academy, Hyderabad
Class : Class 2
Can someone describe how to solve this question?

Ans 3:

Hargun Wadhwa from Manav Rachna International School, Sector 46 Gurgaon
Class : Class 4
5 2-3=45 4-6=3answer is 3

Post Your Answer

RAHUL SINHA from D.A.V Public Koyla Nagar Dhanbad, dhanbad
Subject :NSO    Class : Class 7

Post Your Answer

Kaustubhi Reddy from Meridian hyderabad, Hyderabad
Subject :NSO    Class : Class 5

Post Your Answer

dhruvbargoti from delhi public school ,greater noida, greater noida
Subject :NSO    Class : Class 9

Ans 1:

seema from kendriya vidyalaya no.2, jaipur
Class : Class 9
i have marked d but you are shwing that correct answer is c but according to solution answer is d

Post Your Answer