National Science Olympiad Forum By SOF Olympiad Trainer - Page 519
  1. Home
  2. /  Forum

User Forum

Ask Your Question
Fareeha siddiqua from Janki Devi public school , Mumbai
Subject :NSO    Class : Class 4

Ans 1:

Kavin from ISG , Muscat, Muscat
Class : Class 5
so did i pranab

Ans 2:

Saanchi singh from AVM BKC , Mumbai
Class : Class 4
X is carbon dioxide Y is chlorophyll Z is oxygen So then the correct answer would be B

Ans 3:

PRANAB KUMAR from MARIAS PUBLIC SCHOOL, Guwahati
Class : Class 6
i did not understand anything/

Ans 4:

Krishika Madan Shanmugam from National Public School, Bangalore
Class : Class 5
Yes the answer is B

Post Your Answer

Dishamrutha from indian school of excellence, bangalore
Subject :NSO    Class : Class 5

Post Your Answer

TEJASWANI from TIME SCHOOL, HYDERABAD
Subject :NSO    Class : Class 7

Post Your Answer

Gitika from Ritchie Park elementary school, USA
Subject :NSO    Class : Class 5

Post Your Answer

Shaurya Khurana from Suncity, Gurgaon
Subject :NSO    Class : Class 8

Ans 1:

Avyukth Radhakrishnan from TSRS, Gurgaon
Class : Class 10
yes it is but it does not have ions that can conduct electricity

Ans 2:

Rhyin Mandal from Hem Sheela Model School, DURGAPUR
Class : Class 8
excuse me!!!! Is water not a liquid? :)

Post Your Answer

Shaurya Khurana from Suncity, Gurgaon
Subject :NSO    Class : Class 8

Ans 1:

Shreyam Tripathy from Ann Mary School, Dehradun
Class : Class 10

Ans 2:

Shreyam Tripathy from Ann Mary School, Dehradun
Class : Class 10

Ans 3:

Aadi from Treamis World School, Bangalore
Class : Class 9
Nothing has been mentioned here, how are we supposed to know whether or not the object is placed at 2F(1) and its image is formed at 2F(2)

Post Your Answer

swayam shah from delhi public school vadodara, Vadodara
Subject :NSO    Class : Class 8

Ans 1:

Aryan Raina from MGN Public School, Jalandhar
Class : Class 8
no guys m sorry but their answer is correct as when we wear water goggle we can see clear. its fault our eyes not water.

Ans 2:

Avyukth Radhakrishnan from TSRS, Gurgaon
Class : Class 10
b?

Ans 3:

Avyukth Radhakrishnan from TSRS, Gurgaon
Class : Class 10

Ans 4:

Simar Narula from Rishi Coaching Institute , Jaipur
Class : Class 8
The answer must be Option B

Ans 5:

Aryan Raina from MGN Public School, Jalandhar
Class : Class 8
ya its b

Ans 6:

Jasleen Kaur Brar from St Joseph's convent sen sec school, bathinda
Class : Class 9
Even i chose option B. Plz explain why would the answer be option D

Ans 7:

hrishikesh giri basumatary from marias public school, Guwahati
Class : Class 6

Ans 8:

ABDUL Rahman SIDDIQUI from Indian school al maabela , muscat
Class : Class 9

Ans 9:

Dev Rawat from R D Rajpal School, New Delhi
Class : Class 8
I too did B but the answer according to sof is DPlease explain

Ans 10:

Anjisha Chakraborty from Mount Litera Zee School, Jabalpur
Class : Class 5
Option B

Ans 11:

Nikita Sehgal from Apeejay School Mahavir Marg , Jalandhar
Class : Class 8
Yes the answer needs to b option B

Post Your Answer

Aaryaman Pradhan from De paul School , Berhampur
Subject :NSO    Class : Class 4

Ans 1:

Ridhan from SFS janakpuri, New Delhi
Class : Class 5
answer is d because after new moon cresent moon comes after 2 days

Ans 2:

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

Ans 3:

Aadya Kawale from Podar International ICSE , Dombivli East
Class : Class 4
Given figures show the shapes of Moon seen from Earth on different nights:We know that the moon changes from one phase to the next in approximately 3 days. Same is shown by the above figures. Let’s see what all phases the moon has, and put the above given dates to the right phases:That means on January 17, it would be a crescent moon – waxing crescent moon.Hence, the right answer is Option D.

Ans 4:

UMANG from spring dale college, Lucknow
Class : Class 7
the answer is D. because after the full moon, there comes the glibbous moon

Ans 5:

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

Ans 6:

Sushree snehasikta behera from Mother's public school , Bhubaneswar
Class : Class 2
D is the correct answer as the moon takes approximately 3 days change from one phase to another. after new moon cresent moon comes.

Ans 7:

AAYANSH from New horizon scholars school, Thane
Class : Class 10
eweaafdzdxfdxfxfxcxhvcxhfd ttfutdxdxudfxudfxfccfcf

Ans 8:

Isabelle Joy from The Shriram Millennium School Noida , Noida
Class : Class 4

Ans 9:

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

Post Your Answer

Naman surana from Witty international udaipur, Udaipur
Subject :NSO    Class : Class 8

Post Your Answer

Ajoy Bhuyan from DELHI PUBLIC SCHOOL, Bongaigaon
Subject :NSO    Class : Class 4

Post Your Answer