National Science Olympiad Forum By SOF Olympiad Trainer - Page 499
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avsonawane from Blue Ridge Public School, Pune
Subject :NSO    Class : Class 4

Ans 1:

Keanna from APG, MUMBAI
Class : Class 7

Ans 2:

Devang Vrishni Kshirsagar from ,
Class : Class 4
Wait what about a cyclone or any other air calamite ?

Ans 3:

AHANA BAG from DELHI PUBLIC SCHOOL JOKA SOUTH KOLKATA, KOLKATA
Class : Class 9

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Aadya from Vidyashilp , Bangalore
Subject :NSO    Class : Class 4

Ans 1:

Aayush Reddy Bomidika from Delhi Public School Nacharam, Hyderabad
Class : Class 9
A

Ans 2:

Shaurya Srivastava from delhi public school, navi mumbai
Class : Class 6
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Ans 3:

Ryan from YBIS , SINGAPORE
Class : Class 5
It’s option A

Ans 4:

Aarnav Grover from Anand Niketan Shilaj, Ahmedabad
Class : Class 9
a is the correct answer Natural fibres

Ans 5:

Khanak Jha from Prime Academy, Mumbai
Class : Class 4
A Is the correct answer

Ans 6:

Vihan Allimore from Podar international school, Ambegaon , Pune
Class : Class 5
option a is incomplete in natural fibers please check and code it out

Ans 7:

Ashwak from Cambridge, Jalandhar
Class : Class 9
A

Ans 8:

Hamsini from yagappa international school, Thanjavur
Class : Class 6
There are ony 2 natural fibers and 2 synthetic fibers!

Ans 9:

Shaurya Srivastava from delhi public school, navi mumbai
Class : Class 6
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Ans 10:

Aarya Ranjan from Chrysalis High Varthur, bangalore
Class : Class 5
a is the answer

Ans 11:

Apoorva Gaurav from DAV, Muzaffarpur
Class : Class 5
Option a is correct

Ans 12:

Vihan Allimore from Podar international school, Ambegaon , Pune
Class : Class 5

Ans 13:

Khanak Jha from Prime Academy, Mumbai
Class : Class 4

Ans 14:

Apoorva Gaurav from DAV, Muzaffarpur
Class : Class 5
Option a is correct

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Upali Goswami from Little Flower School, Jamshedpur
Subject :NSO    Class : Class 4

Ans 1:

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

Ans 2:

Kriday from KDAV, Jamnagar
Class : Class 4

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Harishchandra C from narayana e techno school, chennai
Subject :NSO    Class : Class 4

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Adya Shree from Shishya BEML Public School, Bangalore
Subject :NSO    Class : Class 3

Ans 1:

Mohi from Vibgyor, Bangalore
Class : Class 6
B. Water

Ans 2:

ANSHUL GAJJAR from PODAR INTERNATIONAL SCHOOL, AHMEDABAD
Class : Class 3
B

Ans 3:

Adya Shree from Shishya BEML Public School, Bangalore
Class : Class 3

Ans 4:

from PG, Hyd
Class : Class 4
B

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Mehar from NCS, Vasco
Subject :NSO    Class : Class 5

Ans 1:

from , rajahmundry
Class : Class 2
Ans is D . THERE IS NO DENGUE, BUT,THERE IS MALARIA IS THERE WHERE FEMALE MOSQUITO BITES. OPTION - A - ROUGHAGE OPTION - B - MALARIA OPTION -C - ANAEMIA OPTION - D - NOTNING IS THERE SO, ANSWER IS D WHICH IS NOT HIDDEN IN THE GIVEN QUESTION.

Ans 2:

Aditya from Sishugriha, Bangalore
Class : Class 4

Ans 3:

Vaibhav Elisetti from sri chaitanya techno school Nallagandla, Hyderabad
Class : Class 7
ans is d

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Arpan A Shettihalli from APS Public School, BENGALURU
Subject :NSO    Class : Class 7

Ans 1:

Ankush Ghosh from DPS, Doha
Class : Class 10

Ans 2:

Mridul Jain from Shishukunj International School Indore, Indore
Class : Class 9

Ans 3:

Soham Singh from JMPS, Jammu
Class : Class 7
Even though both the object and the mirror are moving away, it talks about the speed of the image with respect to the mirror. The speed wouldn't be double in this case and hence the correct option should be B) and not A)

Ans 4:

Ankush Ghosh from DPS, Doha
Class : Class 10
Please specify if mirror and object each have individual speed "V" or V is there relative velocity? In the solution it is mentioned as "Relative Velocity" which is not clear in the question

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Kaustav Bhowal from Julien Day School, Kolkata
Subject :NSO    Class : Class 6

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Shivam Yadav from Wisdom world school , Kurukshetra
Subject :NSO    Class : Class 7

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Akhil Budithi from Kennedy high the global school , Hyderabad
Subject :NSO    Class : Class 8

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