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Dhev Arjun from NARAYANA OLYMPIAD SCHOOL, Chennai
Subject :NSO    Class : Class 5

Ans 1:

Sumit G from Greenwood High International, Bengaluru
Class : Class 8
A

Ans 2:

Rabi rajak from SHREE JAIN VIDYALAYA, Kolkata
Class : Class 5
And:D

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Indranil Mukherjee from ryan international school, Bengaluru
Subject :NSO    Class : Class 8

Ans 1: (Master Answer)

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

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Rajani Prabhakaran from ,
Subject :NSO    Class : Class 6

Few processes are given below along with one word used for the change involved. Which of the given terms does not match with the process?

A The perfume from the bottle that you left open last evening was empty in the morning. - Evaporation
B You put a lid on the cup containing hot tea, the inside of the lid gets wet. - Condensation
C You took out few ice cubes from the freezer and put in a glass. After some time, there was only water, no ice. - Sublimation
D The sweetened milk which you kept in the freezer last night has become ice cream now. - Freezing


Search for C and then see

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CHANDRA MOHAN REDDY from dps harni, Vadodara
Subject :NSO    Class : Class 8

Ans 1:

ARUNAV from DPS VINDHYANAGAR, VINDHYANAGAR
Class : Class 6
the answer is B

Ans 2:

Bhavya Sheth from Bright Day School, Vadodara
Class : Class 5
Concave mirrors are used in solar cookers. as concave mirrors are converging, the are used to concentrate the sun's heat on the utensil.

Ans 3:

SUBRATA MUKHERJEE from ,
Class : Class 7
I think plane mirrors can also do it to some extent but more prominent is concave

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Nipun sharma from gail dav public school, Auraiya
Subject :NSO    Class : Class 7

Ans 1:

anirudh_suresh@rocketmail.com from bangalore international academy, Bengaluru
Class : Class 7
B IS THE CORRECTONE. BELIVE ME

Ans 2:

Aditya kumar from Sapphire International School, Noida
Class : Class 8
Its "c" because some of the light rays get refracted

Ans 3:

Dr D Martin from Harvard School pf Physics, Boston
Class : Class 1
C is the correct answer. I teach Physics. The angle of incidence entering and exiting is the same due to the same medium.

Ans 4:

Aditya kumar from Sapphire International School, Noida
Class : Class 8
ITS OPTION "C" AS SOME OF THE LIGHT REFRACTS IN WATER AND AIR

Ans 5:

Senthil Kumar from ARB INTERNATIONAL SCHOOL, Coimbatore
Class : Class 7
I THINK SO ANSWER IS C

Ans 6:

KISHORE KUMAR E from MAHARISHI INTERNATIONAL RESIDENTIAL SCHOOL, SUNGUVARCHATHIRAM
Class : Class 9
ANSWER a. Refraction of light and the direction of refraction depends upon the density of the object because it reduces the speed of light.the Flint glass is more denSer than water and the air is no too denSer so there will be no refraction in the caSe of air. Therefore light refracts in water and the glass. ANOTHER REASON!: Light travalS on a straight line .

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Arka Chakraborty from St. Patrick's Academy, Bengaluru, Bengaluru
Subject :NSO    Class : Class 4

Ans 1:

Mahadevan from KV Rubber Board Kottayam, Kottayam
Class : Class 5

Ans 2:

Bushra aslam from uttam, Ghaziabad
Class : Class 5
??????????????what?????????????????what???????????

Ans 3:

Bushra aslam from uttam, Ghaziabad
Class : Class 5

Ans 4:

Mahadevan from KV Rubber Board Kottayam, Kottayam
Class : Class 5
question is wrong

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Dev Narayan Vinu from St. Thomas Residential School, Thiruvananthapuram
Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

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

Ans 2:

Tejesh VB from GEMS Heritage Indian school, Dubai
Class : Class 5

Ans 3:

Dishita Santosh Walujkar from Nutan English School, Kurduwadi
Class : Class 4
C

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rittik singh from ,
Subject :NSO    Class : Class 5

Ans 1:

Sharad Jain from Presidium, Ghaziabad
Class : Class 5
Hello ! It is C as when the smell is spread , People notice it at some other room . It's the same with perfume .

Ans 2:

PRADYUMNA OMPRAKASH GONDULE from DPS BHILAI, Bhilai
Class : Class 8
yes,Sharad you are right but can you explain

Ans 3:

PRADYUMNA OMPRAKASH GONDULE from DPS BHILAI, Bhilai
Class : Class 8

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BHAVYA GOYAL from Venkateshwar International School Sec 10 Dwarka New Delhi, New Delhi
Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is C. Because, after May, the consumption keeps getting lower which indicates that they started saving water.

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Jyothi from CMR NPS, Bengaluru
Subject :NSO    Class : Class 6

Shruti in an experiment, put a healthy, green plant in different conditions during a day, at different times P, Q and R. The rate of oxygen absorbed or released by this plant is shown in the given graph.



Which of the following assumptions can be made about this experiment?

AAt time P, that plant was put in a dark cupboard.
BAt time Q, plant is not respiring because, no oxygen is being taken up.
CAt time Q, the plant was moved to a dark room.
DAt time R, the plant was put in a well lighted place.


The answer given by Olympiad trainer is B but We all know that plants respire all the time. May I know the right answer

Ans 1:

P A Reyyansh from Ann Mary School, Dehradun
Class : Class 6

Ans 2:

Hrithik Peddireddy from Oakridge International School, Hyderabad
Class : Class 7

Ans 3:

Aadvik saini from Mvn sector 17, Faridabad
Class : Class 6

Ans 4:

colonel ruffs from dumb Indian International School, brawl stars
Class : Class 7

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