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

User Forum

Ask Your Question
Srikrish Subramanian from Hindu SSS, Chennai
Subject :NSO    Class : Class 6

Two bar magnets suspended by string, are separated by a piece of metal. Which of the following statements best explain the outcome shown in the diagram?


A Only like poles attract.
B The magnets have lost their magnetic forces.
C The metal exerts a magnetic field which attracts the magnets.
D The magnetic field of the magnets cannot pass through the metal.


If the magnetic field can't pass through the metal why are the magnets attached to the metal

Ans 1:

from Gitanjali Public School ,
Class : Class 8
The metal is a magnetic material and like poles repel each other, so there is no conclusion about magnetic field passing through the metal

Ans 2:

Aarushi Vora from Utpal Shanghvi Global School, Mumbai
Class : Class 6
c is correct since the two magnets seem to be moving to the metal by the angle of the suspension string in the diagram. That means the partition is soft metal

Ans 3:

Anmol kathar from deogiri global academy, aurangabad
Class : Class 7
magnetic field can pass through metal. but her is such condition where metal is magnetic so it attract both magnet

Ans 4:

Tanay Nasikkar from bgs nps, bangalore
Class : Class 1

Ans 5:

MUKIL from SRDF VIVEKANANDA VIDYALAYA, CHENNAI
Class : Class 6
correct answer=c

Ans 6:

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

Ans 7:

Sharanya from Holy Cross School Agartala, Agartala
Class : Class 6
Correct answer will be option no. C why it's written option no. D?

Ans 8:

Tamrashi Pani from Sof Olympiad trainer international school, banglore
Class : Class 7

Post Your Answer

Vania Aravindan from Unicent School , Miyapur Hyderabad
Subject :NSO    Class : Class 1

Ans 1: (Master Answer)

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

Post Your Answer

KISHORE KUMAR E from MAHARISHI INTERNATIONAL RESIDENTIAL SCHOOL, SUNGUVARCHATHIRAM
Subject :NSO    Class : Class 8

Ans 1: (Master Answer)

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

Ans 2:

Sarthak Gupta from Delhi Public School Sector 12 R K PURAM, NewDelhi
Class : Class 8
It should be A

Ans 3:

geet_adi from SSRVM, Bengaluru
Class : Class 5
How it should be option a

Post Your Answer

Subash kandoth from New horizon public school , Navi Mumbai
Subject :NSO    Class : Class 8

Ans 1:

Subash kandoth from New horizon public school , Navi Mumbai
Class : Class 10
Please explain it

Ans 2:

ketaki kul from sanskriti school, Pune
Class : Class 10
ans is C. in first row the head count (from right to left ) is 1+1=2, in second row the head count (from right to left ) is 2+1=3,hence in the third row the head count will be 0+2=2, hence the answer is C.

Post Your Answer

RiptideMel from Modern Vidya Niketan Senior Secondary School Sec 17, Faridabad
Subject :NSO    Class : Class 9

Ans 1:

Shalin Jain from NKDAV Sidheegram, Sidheegram
Class : Class 9
Option D because Kinetic energy means work done. Therefore, it can be said that work is done on body or can be said mass. W = F*D(Force * Displacement). Therefore it is independent of mass.

Post Your Answer

ANANYA.KUMAR from DPS Noida, Noida
Subject :NSO    Class : Class 5

Ans 1:

Nishant Doshi from new era senior secondary school nizampura vadodara, Vadodara
Class : Class 7
Sun 's surface is about 6000 degrees celcius and blue star is 28000 degrees celcius so to find the answer 28000 -6000 which equals to 22000degrees celcius is blue star hotter than Sun .

Post Your Answer

Sarbari Pal from DPS FARIDABAD, Faridabad
Subject :NSO    Class : Class 6

Ans 1:

Yoovanup from Hansraj Model School, New Delhi
Class : Class 6
B is the answer because like poles repel.

Ans 2:

Sevanthi. B. R from Saint Paul's English school, Bengaluru
Class : Class 6
Tricky

Ans 3:

Anmol kathar from deogiri global academy, aurangabad
Class : Class 7
the fig is wrong because the in the fig there should be repeltion and they have given attraction.

Post Your Answer

Anish Bharadwaj from Delhi public school , Singapore
Subject :NSO    Class : Class 6

Read the given statements and select the correct option.
Statement 1 : The level of groundwater below the surface of Earth at a given place is known as the water table.
Statement 2 : Extensive use of groundwater in cities for domestic and industrial purposes is resulting in lowering of water table.

A Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1.
B Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1.
C Statement 1 is true but statement 2 is false.
D Both statements 1 and 2 are false.


Post Your Answer

ISHI.GUPTA from dps noida, Noida
Subject :NSO    Class : Class 3

Post Your Answer

Ankita Dharmani from Euroschool, Mumbai
Subject :NSO    Class : Class 5

Post Your Answer