National Science Olympiad Forum By SOF Olympiad Trainer - Page 324
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Arnav Raj Sharma from GEMS International School the ultra master mega, Gurgaon
Subject :NSO    Class : Class 3

Ans 1:

Anunnakee Banerjee from BBPS NOIDA, NOIDA
Class : Class 6
D is the correct answer because according to the graph time is increasing and the food is becoming colder

Ans 2:

AADYA TANDON from DPS NOIDA SEC-30, Noida
Class : Class 5

Ans 3:

Arnav Raj Sharma from GEMS International School the ultra master mega, Gurgaon
Class : Class 7
c is the correct answer

Ans 4:

Khanak Kapadia from Anand Vidya Vihar, Vadodara
Class : Class 3

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ICHALKARANJI from dkte, ichalkranji
Subject :NSO    Class : Class 9

A large truck and a car, both moving with a velocity of magnitude v, have a head-on collision and both of them come to halt after that. If the collision lasts for 10 s then
(i) The car will experience the greater force of impact exerted by the truck
(ii) The truck will experience the greater momentum change
(iii) Car will experience the greater average acceleration than truck.

A Only (i) and (ii) are correct.
B Only (ii) and (iii) are correct.
C Only (iii) and (i) are correct.
D All (i), (ii) and (iii) are correct.


please give solutions of the qustions

Ans 1:

Arnav Ranka from Gyan Bharati School, Saket, New Delhi
Class : Class 9
Only (iii) is correct, as both will experience same change in momentum and forces exerted are equal

Ans 2:

Aryan from Ihs, Karama
Class : Class 9
PLEASE CAN YOU SEND THE DETAILED SOLUTION FOR THE GIVEN QUESTION.

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Aarav Arya from Delhi Public School, Navi Mumbai
Subject :NSO    Class : Class 7

Ans 1:

Rishab from OWS, New Delhi
Class : Class 7
Yeah

Ans 2:

Zaina Fathima from Indian school salalah, SALALAH
Class : Class 9
the ans is a

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Aarav Arya from Delhi Public School, Navi Mumbai
Subject :NSO    Class : Class 7

In plants, the same set of pipe-like vessels transport water, minerals and food. Do you agree?

AYes, pipe-like vessels are xylem and phloem and both transport water, minerals and food.
BYes, pipe-like vessels called xylem and phloem are interconnected.
CNo, pipe-like vessels are xylem and phloem; xylem transports water and minerals while phloem transports food.
DNo, pipe-like vessels are xylem and phloem; xylem transports food while phloem transports water and minerals.


I do not agree with your answer

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

C


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Nishchay Gupta from Cambridge Court World School, Jaipur
Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

D

Smoke released from chimneys of houses spreads in the air surrounding the houses, mainly causes air pollution.


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Ayan Senapati from usha martin school , malda
Subject :NSO    Class : Class 5

Ans 1:

Abhigyan Panja from HEMSHEELA MODEL SCHOOL, DURGAPUR
Class : Class 5

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

D


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Agrima from bbps, Bhiwadi
Subject :NSO    Class : Class 2

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

C

 


Ans 2:

Khanak Jha from Prime Academy, Mumbai
Class : Class 4
the correct answer is a

Ans 3:

Agrima Ghosh from DPS NEWTOWN, KOLKATA
Class : Class 3
I agree with

Ans 4:

Khanak Jha from Prime Academy, Mumbai
Class : Class 4

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Adway Bachchan from Indian School Sohar, Sohar
Subject :NSO    Class : Class 5

Ans 1:

Pramit Roy from Rabindra Bharthi Global School, Kolkata
Class : Class 6
it is true that some stars are nearer to sun, but it does not mean that the star it is brighter. Betelgeuse is the red supergiant and visible to us but its far away and alpha century is just 4 light years away from the earth, but it is not the brightest.I think the organization could solve he problem

Ans 2:

Saanjh Puthran from Dr. Pillai Global Academy, Mumbai
Class : Class 5
Answer is B.

Ans 3:

Sai Lakshmi Rao from Maneckji Cooper Education Trust, Mumbai
Class : Class 4

Ans 4:

Ashwini Nemade Chaudhari from akshara, Pune
Class : Class 6
Alpha centauri is not the brightest star in the night sky although it is the second closest star to the earth after the sun. Sirius-A is the brightest star in the night sky, still it is further from the earth than alpha centauri.

Ans 5:

Pramit Roy from Rabindra Bharthi Global School, Kolkata
Class : Class 6

Ans 6:

Saarth Agrawal from Podar International School , Mumbai
Class : Class 6
IT DEPENDS ON THE SIZE OF THE STAR!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! DISTANCE DOES NOT MATTER LIKE HOW ASHWINI HAS WRITTEN HERE!!!!!!!!!!!!!!!!!!!!!

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Abhinha Ajay Ovhal from Podar International School, Latur
Subject :NSO    Class : Class 1

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

B

Football and tyre are filled with air. Air fills the space in football and tyre, and gives them their shapes.


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Pratheek from Null, Null
Subject :NSO    Class : Class 6

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