National Science Olympiad Forum By SOF Olympiad Trainer - Page 783
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Tushar from DPS, Bengaluru
Subject :NSO    Class : Class 6

Ans 1:

Kushal from Chirec, Hyderabad
Class : Class 7

Ans 2:

Tushar from DPS, Bengaluru
Class : Class 9
Correct option is D.

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anindeeta78@gmail.com from nk bagrodia global school, New Delhi
Subject :NSO    Class : Class 5

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DRAVIT GUPTA from Mother's Global School, New Delhi
Subject :NSO    Class : Class 9

Ans 1:

divanshi from sacred heart convent school, barnala
Class : Class 4
this need more details as the question is not clear

Ans 2:

pratham from Indian School Ghubra, Muscat, Muscat
Class : Class 7
I agree with Gh from Mahatma, Ghaziabad, options are not correctly provided in the question.

Ans 3:

Kshithy G Nair from Chinmaya Vidyalaya Tripunithura, Kochi
Class : Class 8
i think the above explanation is good and would be more accurate if shft of centre of mass is calculated

Ans 4:

Gh from Mahatma, Ghaziabad
Class : Class 10
I think it should be 7GM^2/256R^2 G is constant. M will become 7M/8 due to mass removal .M2 will be M/8 . Distance is 2 R . So the product is equivalent to the above. But I don't know how it is not in answers

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DRAVIT GUPTA from Mother's Global School, New Delhi
Subject :NSO    Class : Class 9

Ans 1: (Master Answer)

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

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DRAVIT GUPTA from Mother's Global School, New Delhi
Subject :NSO    Class : Class 9

Ans 1:

Harsh Gupta from AECS Narora, Narora
Class : Class 9

Ans 2:

Harsh Gupta from AECS Narora, Narora
Class : Class 9

Ans 3:

Soumyaranjan Nath from Delhi Public School , Angul
Class : Class 9
how

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DRAVIT GUPTA from Mother's Global School, New Delhi
Subject :NSO    Class : Class 9

Ans 1:

ashishlal2003 from dps east, bangalore
Class : Class 9
why doesn't anyone answer?

Ans 2:

from kv2, kalpakkam
Class : Class 9
i dont know the answer to this question \

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DRAVIT GUPTA from Mother's Global School, New Delhi
Subject :NSO    Class : Class 9

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Pramath Ram from Canara CBSE, Mangalore
Subject :NSO    Class : Class 7

Ans 1:

Jai kumar Bohara from Dps, Udaipur
Class : Class 9
Option is correct if the battery has infinite nergy

Ans 2:

Kshitij verma from DPS KAMPTEE NAGPUR, Nagpur
Class : Class 8
brighter than normal as total current through the ckt will increase.

Ans 3:

Arnav Raj Sharma from GEMS International School the ultra master mega, Gurgaon
Class : Class 7
why a. why not b. i think that bulb x will turn dimmer but y will remain the same.

Ans 4:

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

Ans 5:

Taksh from St John High School, Mumbai
Class : Class 8
Ans a

Ans 6:

Anubhab Maity from Dps ruby park, Kolkata
Class : Class 7

Ans 7:

Aparajita from Mount Litera Zee School, Vasco da gama
Class : Class 8
option D

Ans 8:

Aparajita from Mount Litera Zee School, Vasco da gama
Class : Class 8
As it is parallel to x

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Pramath Ram from Canara CBSE, Mangalore
Subject :NSO    Class : Class 7

Ans 1:

Aditya kumar from Sapphire International School, Noida
Class : Class 8
Its "b" (sec with steps) (5-3)+(5-3)+(5-3)+5=11 (29 sec)

Ans 2:

Soumyajit Roy from Delhi Public School Jamnagar, Jamnagar
Class : Class 9

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dayalakshmi dinesh from BHAVAN'S MUNSHI VIDYASHRAM, Kochi
Subject :NSO    Class : Class 5

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