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from ,
Subject :NSO    Class : Class 7

Ans 1:

Hritvi from Podar International School, Mumbai
Class : Class 7
Correct Answer- D

Ans 2:

priyanka from kendriya vidalaya kathmandu, JHAJJAR
Class : Class 8
option d

Ans 3:

Abhiroop Batabyal from Kennedy High the global school, Hyderabad
Class : Class 8
Option D : (ii), (i), (iv), (iii), (v)

Ans 4:

Ronav Kerkar from Jamnabai Narsee School, Mumbai
Class : Class 7
why not d

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from ,
Subject :NSO    Class : Class 7

Ans 1:

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

Ans 2:

Devavrat Sharma from Podar International School Powai, Mumbai
Class : Class 7
explaination please

Ans 3:

Harshit from Montfort , Delhi
Class : Class 7
what the heck

Ans 4:

somesh from Centre point katol road, Nagpur
Class : Class 6
Ans should be a

Ans 5:

from ,
Class :
stupid

Ans 6:

shaurya aggarwal from scholars rosary senior secondary school, rohtak
Class : Class 9
difficult

Ans 7:

Shreyansh Gupta from MVN, faridabad
Class : Class 7

Ans 8:

Ishaan Roy from Sri Chaitanya Techno School, Bengaluru
Class : Class 10

Ans 9:

Thomas from ,
Class : Class 7
Explain please

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from ,
Subject :NSO    Class : Class 7

Ans 1:

Bhavtosh Tripathi from Maneckji Cooper Education Trust School, Mumbai
Class : Class 9
The answer is A and not D since the terminals of the battery are not connected in a proper way.

Ans 2:

IAMLOST from ABC, Pune
Class : Class 8

Ans 3:

Basundhara Ghosh from Birla High School Mukundapur , Kolkata
Class : Class 7
Answer is B not D

Ans 4:

ansh rai from delhi public school, Bhilai
Class : Class 4
Answer is a not d

Ans 5:

ALICE from Delhi Public School, UDAIPUR
Class : Class 9
The answer should be 'B'

Ans 6:

Shubhangi Pathak from Lilavatibai Podar High School, Mumbai
Class : Class 9
Guys, the question says to find the incorrect option not correct one!

Ans 7:

Sargah Surya from bgsnps, Bengaluru
Class : Class 4
They have asked incorrect. Even I went wrong here

Ans 8:

Midhuna from ABCD, Banglore
Class : Class 3
find incorrect option not correct

Ans 9:

Hprakash09 from Billabong high Bhopal, Bhopal
Class : Class 7
the answer is (A) and not (D)

Ans 10:

Vihaan Agrawal from Lotus Valley International School, Gurgaon
Class : Class 7
it can also be B

Ans 11:

Aarushi Chaubey from Teoler High School, Jaipur
Class : Class 8
the answer (a) not (d)

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Swarnavo from Reso, Kota
Subject :NSO    Class : Class 7

Ans 1:

Hritvi from Podar International School, Mumbai
Class : Class 7
Option C is the correct answer as the silvered walls of the thermo flask helps the liquid to sustain its form by reflecting the heat by Radiation (Heat that does not need any medium to travel unlike conduction and convection.)

Ans 2:

from ,
Class :
A is the correct answer

Ans 3:

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

Ans 4:

from ,
Class :
A

Ans 5:

AISHA from K.V.No.-1,A.F.S.,SEC.-14, GURUGRAM
Class : Class 10
OPTION C IS CORRECT ANSWER.

Ans 6:

priyanka from kendriya vidalaya kathmandu, JHAJJAR
Class : Class 8
option c

Ans 7:

shashwat pandey from Doon International School Dalanwala, Dehradun
Class : Class 8
In my opinoin A is corrcect beacuse silvered wall is a solid thing and solid thing get's heat through the process of conduction.

Ans 8:

Bhumi Chheda from SVKM J V Parekh International School, Mumbai
Class : Class 9
i am not sure if it is A or C

Ans 9:

Anagha s Karnis from vijaya vittala vidyashala, MYSORE
Class : Class 8
Option c is the correct answer, because if at all any cold material is stored in the flask, then the liquid becomes hot due to the heat of the sun. Hence it is used to reflect the radiation from the sun

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Avinash Mishra from Central Hindu School, Gorakhpur
Subject :NSO    Class : Class 10

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from ,
Subject :NSO    Class : Class 5

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Raghav Tyagi from birla vidya niketan, new delhi
Subject :NSO    Class : Class 8

Ans 1:

from ,
Class :
D

Ans 2:

Bipasana from KV IIT Kanpur, Kanpur
Class : Class 9
It IS A.

Ans 3:

Jaidev Chowdhary from Shamrock International School, VIJAYAWADA
Class : Class 8

Ans 4:

Ayush Chauhan from Modern Public School, Bhiwadi
Class : Class 9

Ans 5:

from ,
Class :
D

Ans 6:

from ,
Class :
Can someone please explain why the answer is A?

Ans 7:

Paarth Vashistha from Kunskapsskolan Gurgaon , Gurgaon
Class : Class 8
How will the bicycle move if one wheel is moving forward and other backward ?

Ans 8:

Venya from CHIREC International, Hyderabad
Class : Class 9
I don't understand how it is A. Both the wheels move in the same direction. It can't be C as the wheels are moving in the forward direction hence it is none of the above.

Ans 9:

Student from School, City
Class : Class 8
Explain with diagram in the solution.

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SOMDATTA BHATTACHARYA from Delhi Public School, Dhaligaon, Bongaigaon
Subject :NSO    Class : Class 4

Ans 1:

from ,
Class :
22

Ans 2:

from ,
Class :
D

Ans 3:

from ,
Class :
22

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from ,
Subject :NSO    Class : Class 4

Ans 1:

from ,
Class :
Yes they do.

Ans 2: (Master Answer)

from ,
Class :
Yes!!

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from ,
Subject :NSO    Class : Class 7

Ans 1:

from ,
Class :
(a)p

Ans 2:

from ,
Class :
I will go with A

Ans 3:

Ritesh Narayan Das from Adamas International School, Kolkata
Class : Class 10
R

Ans 4:

from ,
Class :
I will go with A

Ans 5:

Ashwin Shridhar from Vidyashilp Academy, Bangalore
Class : Class 9
R

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