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Pratyay Sarkar from South Point High School, Kolkata
Subject :NSO    Class : Class 7

Ans 1:

UTKARSH SAWARN from AIR FORCE SCHAOOL AMBALA CANTT, AMBALA CANTT
Class : Class 8
IN MY OPINION OPTION C IS THE CORRECT ANSWER

Ans 2:

Sanket Kulkarni from Euroschool, Pune
Class : Class 8
Please explain your answer. I am really confused.@UTKARSH SAWARN

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Pratyay Sarkar from South Point High School, Kolkata
Subject :NSO    Class : Class 7

Ans 1:

Bhagyesh Kamal from DPS, Mumbai
Class : Class 8
how to do it

Ans 2:

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

Ans 3:

Raavi from DPS, Ranchi
Class : Class 8
@bhagyesh .As metal rod or electroscope is positively charged all the currents flown to the object will be positive and the leaves will repel each other

Ans 4:

kartick Somasundaram from cps, chennai
Class : Class 3

Ans 5:

PRIYANSHU DEB from New Green Field School, Saket, New Delhi
Class : Class 7
why not option c?

Ans 6:

sachinthite@rocketmail.com from Sinhghad Public School Korti, Pandharpur
Class : Class 4
how priyanka

Ans 7:

Prisha Hemchandra Lokhande from NPS Whitefield, Bangalore, Bangalore
Class : Class 8

Ans 8:

PRIYANSHU DEB from New Green Field School, Saket, New Delhi
Class : Class 7

Ans 9:

kartick Somasundaram from cps, chennai
Class : Class 3
@Bhagyesh You need to use your

Ans 10:

Arjun from Sri Kumaran Public School - ICSE, Bengaluru
Class : Class 8
This is wrong. The answer should be C, due to induction. The positive charges move to the bottom as they repel, while the negative particles should move to the top, as they are attracted to the positive particles in the bar.

Ans 11:

Bhim Maity from ASIAN INTERNATIONAL SCHOOL HOWRAH, HOWRAH
Class : Class 7

Ans 12:

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

Ans 13:

kartick Somasundaram from cps, chennai
Class : Class 3
@Bhagyesh You need to use your brain and do it with your hands. Simple. @Raavi no need of that big thingy

Ans 14:

PRIYANSHU DEB from New Green Field School, Saket, New Delhi
Class : Class 7

Ans 15:

Vedang Shridhar Sasturkar from Vasant Valley School, New Delhi
Class : Class 7
I don't understand tbh

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Pratyay Sarkar from South Point High School, Kolkata
Subject :NSO    Class : Class 7

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Gauri Singh from St Johns School Marhauli, Varanasi
Subject :NSO    Class : Class 6

Ans 1:

Shreya Yegna Narayanan from psbb, chennai
Class : Class 6
Loud speakers use electromagnets as they dont need magnetic force when not in use so ans is B

Ans 2:

Shourya Ganesh from The Green Acres Academy, Mumbai
Class : Class 9
Loudspeakers use electromagnets.So,the answer should be (B)

Ans 3:

Shourya Ganesh from The Green Acres Academy, Mumbai
Class : Class 9
Loudspeakers use electromagnets so it should be answer b

Ans 4:

SOUVAGYA SAHA from De Nobili School, DHANBAD
Class : Class 10

Ans 5:

Veda Dua from Delhi Public School, R. K. Puram, New Delhi
Class : Class 10
Loudspeakers use electromagnets, so the answer is option B

Ans 6:

Sharmi Chowdhury from G.D Birla Centre For Education , Kolkata
Class : Class 7
Don't loudspeakers use electromagnets?

Ans 7:

satwik patnaik from DPS Rourkela, Rourkela
Class : Class 7
answer should be b

Ans 8:

Aarush Mallya from EISB, BANGALORE
Class : Class 5
Loud speakers use permanent magnets

Ans 9:

Joe Bipin from National Public School Agra, Bangalore
Class : Class 10
they use both so the answer is d

Ans 10:

Mridul Jain from Shishukunj International School Indore, Indore
Class : Class 9
The answer is B as loudspeakers use electromagnets and the magnetic field isn't there always .

Ans 11:

Smita De from Bishop Cotton Girls School, BANGALORE
Class : Class 5
answer is B so obvious

Ans 12:

Shayan Bari from Kendriya Vidyalaya, Katihar
Class : Class 7
Loudspeakers use electromagnets.

Ans 13:

Joe Bipin from National Public School Agra, Bangalore
Class : Class 10
loud speakers have both electromagnets and permanent magnets

Ans 14:

Tamrashi Pani from National Public School, Bangalore
Class : Class 8
But all of them use permanent magnets...so D is correct

Ans 15:

Shourya Ganesh from The Green Acres Academy, Mumbai
Class : Class 9

Ans 16:

NISHTHA GUPTA from DPS R K Puram, newdelhi
Class : Class 10
answer will be b as loudspeakers use electromagents

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Gauri Singh from St Johns School Marhauli, Varanasi
Subject :NSO    Class : Class 6

Ans 1:

arjun from the bishops school camp , pune
Class : Class 8

Ans 2:

Syed Mukhtar Ahmed from Mayoor Private School, Abu Dhabi
Class : Class 6

Ans 3:

rocker harshil from TImpany senior secondary school, Visakhapatnam
Class : Class 6
as only the option (D) will be magnetic and the SOFT IRON will act as a keepers

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Agastya Tripathi from dps gurgaon, Gurgaon
Subject :NSO    Class : Class 5

Ans 1:

Ashwak from Cambridge, Jalandhar
Class : Class 9
The answer is B

Ans 2:

AREEN from BOLTON, HYDERABAD
Class : Class 6
Ans should be A because tuemeric powder is solid and solids are incompressible. Liquids are also incompressible but the some of the liquid has gone above the end of the piston, which is inside the syringe. Gases are compressible, so the piston easily moves.

Ans 3:

Ujjwal Upadhyay from Navy Children school, Vasco
Class : Class 6
Well... I think the answer is B

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student from school, city
Subject :NSO    Class : Class 6

Ans 1:

Neil Mathew from National Public school, bengaluru
Class : Class 8
How is it C!?

Ans 2:

Saikrishna Nandakumar from Shishya BEML Public School, BANGALORE
Class : Class 6
c

Ans 3:

NISHTHA GUPTA from DPS R K Puram, newdelhi
Class : Class 10
solution?

Ans 4:

Shreyas from Phoenix greens, Hyderabad
Class : Class 9

Ans 5:

Anushka Srivastava from Cjm, Dehradun
Class : Class 7
its C acording to me

Ans 6:

Lakshmi from FPS, Bangalore
Class : Class 10
c is the answer

Ans 7:

BHAVYA from iswk, Oman
Class : Class 6
can I have an explanation please....... plz...plz...plz...

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Shreenath Rajesh Nair from J H A S V Surat, Surat
Subject :NSO    Class : Class 8

Ans 1:

Prisha Hemchandra Lokhande from NPS Whitefield, Bangalore, Bangalore
Class : Class 8
The answer is C because the ray would refract and be parallel to incident ray. also the emergent ray cant appear behind the incident ray

Ans 2:

Madhav from Aggarsain Public School, Kurukshetra
Class : Class 9
correct answer is C

Ans 3:

arav agrawal from kaanger valley academy, Raipur
Class : Class 9

Ans 4:

Pujan Rajyaguru from Allen, Ahemdabad
Class : Class 8
yes i think that opt C is correct

Ans 5:

arav agrawal from kaanger valley academy, Raipur
Class : Class 9

Ans 6:

Ved Pandhare from Lilavatibai Podar High School, Mumbai
Class : Class 8
correct answer is C as the ray would refract if its passing from a rarer to denser medium.

Ans 7:

Ami Buch from DPS Gandhinagar, Gandhinagar
Class : Class 6
After checking the Snell's law, I found the answer to be C...But it says the correct answer is A

Ans 8:

Avyukth Radhakrishnan from TSRS, Gurgaon
Class : Class 10
It's A.When light travels from a denser to rarer medium,it bends TOWARDS the normal(Check normal in solution).Hence,answer is A.

Ans 9:

Abhinav from nesss, vadodara
Class : Class 10
I too think correct option is C

Ans 10:

Shreyam Tripathy from Ann Mary School, Dehradun
Class : Class 10
answer is C

Ans 11:

Kaavyy boolani from Cambridge Court World School, Jaipur
Class : Class 6
It is Option C only, as when light travels from denser to rarer medium, it bends away from normal

Ans 12:

Triguna from Kendriya Vidyalaya No.1 Salt Lake, Kolkata
Class : Class 8
Me too... I also think that the correct option will be C

Ans 13:

Pranavi Nayakwadi from JSS Shri Manjunatheshwara Central School, Dharwad
Class : Class 8
I too think the correct ans is C rather than A

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Shuvangi Das from Vivekananda mission school, haldia
Subject :NSO    Class : Class 4

Ans 1:

Adarsh Kishor from Manav Rachna International Sector46, Gurgaon
Class : Class 4
I GOT 40/40 IN THIS QES. PAPER

Ans 2:

AAGNEY GOYAL from VENKATESHWAR INTERNATIONAL SCHOOL, Delhi
Class : Class 4

Ans 3:

Sanjeev Kumar Singh from S N B P INTERNATIONAL SCHOOL PUNE, RAHATANI
Class : Class 4

Ans 4:

Aadya Kawale from Podar International ICSE , Dombivli East
Class : Class 4
Shuchi: P is an organism which has three stages in its life cycle. The young one is very similar to its parent.Ritu: Q is an organism which has four stages in its life cycle. The young one is very different from its parent.Now, let’s see which of the following options gives the right identities of Organisms P and Q:

Ans 5:

Ananya Singh from Chrysalis High School, Bengaluru
Class : Class 4

Ans 6:

AAYANSH from New horizon scholars school, Thane
Class : Class 10
Aayansh from mundamarai

Ans 7:

Aarav sugla from Niraj International School , Secunderabad
Class : Class 5

Ans 8:

Gunnit Kant from DPS, Nerul, Navi Mumbai
Class : Class 5
C

Ans 9:

Sanjeev Kumar Singh from S N B P INTERNATIONAL SCHOOL PUNE, RAHATANI
Class : Class 4
c

Ans 10:

Sushree snehasikta behera from Mother's public school , Bhubaneswar
Class : Class 2
Sushree Snehasikta Bhera from Mother's Public school, Odishaclass 4Answer is c as cockroach has three stages in its life cycle and also the young one of the cockroach resembles the adult. The housefly also has three stages in its life cycle and also does not resemble its adult.

Ans 11:

AVANTIKA V from St.joseph of Cluny school , Puducherry
Class : Class 6
Ans: C

Ans 12:

Avigyan from DPS Numaligarh, Golaghat
Class : Class 5
tg4tg

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Debarpan Das from Delhi Public School , Durgapur
Subject :NSO    Class : Class 4

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