National Science Olympiad Forum By SOF Olympiad Trainer - Page 795
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Soham from DPS sector 45, Gurgaon
Subject :NSO    Class : Class 5

Ans 1:

rishi karthik from Bvm Global, chennai
Class : Class 5
You are correct B is the correct answer.

Ans 2:

Shivam Dave from Jamnabai Narsee School, Gandhinagar
Class : Class 7
The answer should come as B as the class W is Non-Magnetic and class X is Magnetic not C as ice does conduct electricity. BIG MISTAKE 😂

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Dhruva Shah from DPGA, Mumbai
Subject :NSO    Class : Class 5

Ans 1:

Prasenjit Nandy from ,
Class : Class 4
its right

Ans 2:

Jaanya Vijh from DPSG Meerut Road, Ghaziabad
Class : Class 5
Hi there, the answer is option C

Ans 3:

Srija Sneha from Lotus Valley International School, Noida
Class : Class 5
Hi there, Option C is correct

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Dhruva Shah from DPGA, Mumbai
Subject :NSO    Class : Class 5

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Supreet Birdi from Global Indian International School, Bangalore
Subject :NSO    Class : Class 4

Ans 1:

Aarush Bansal from PSBN, Bangalore
Class : Class 4
it is wrong answer

Ans 2:

OISHIK KUNDU from Delhi Public school North kolkata, baranagar
Class : Class 4
The ans will also be option B

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Soham Gupta from JSSIS Dubai, Dubai
Subject :NSO    Class : Class 3

Ans 1:

Ravi Kumar Tammineni from ,
Class : Class 3
Yeah what you told is correct

Ans 2:

Madhu Pujar from ,
Class : Class 3
8

Ans 3:

Admin from Revisewise, Noida
Class : Class 3
Answer: A

8

Solution: There are 8 rectangles in the given figure.

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purnendu from National public school , indiranagar , Bengaluru
Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

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

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Soham Gupta from JSSIS Dubai, Dubai
Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

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

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Yashi Agrawal from Blue Ridge Public School , Pune
Subject :NSO    Class : Class 8

Ans 1:

Khushi from Pathseekers, Beas
Class : Class 3
this is incorrect

Ans 2:

Kshitij verma from DPS KAMPTEE NAGPUR, Nagpur
Class : Class 8
yeah it is incorrect

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Yashi Agrawal from Blue Ridge Public School , Pune
Subject :NSO    Class : Class 8

Ans 1:

Chandreyee from BGKV, Kolkata
Class : Class 10
No. of images formed = 360/angle between two mirrors [if the quotient is even then it would be (360/angle between two mirrors) -1 ] so, in this case, angle = 60 degrees so no. of images= 360/60=6 and as 6 is even the answer is 6-1=5 CORRECT ANSWER: (C)5

Ans 2:

Rudranil GhoshRoy from ,
Class : Class 8
THE ANSWER'"S C)5 THE FORMULA TO BE USED IS (360/x - 1);x BEING THE ANGLE BETWEEN THE MIRRORS

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Yashi Agrawal from Blue Ridge Public School , Pune
Subject :NSO    Class : Class 8

Ans 1:

prabhkhelSingh from Hra international school, Gurdaspur
Class : Class 6
correct answer is C 1)Tail of the comet always faces away from the sun. 2)As the comet moves away from the sun,the solar heating diminishes.As a result,coma and nucleus of the comet disappear.When it is at the position farthest from the sun,nucleus warms and begins to sublimate and its size becomes smaller than its previous size.

Ans 2:

Mohak Khetan from Podar International School Powai , Mumbai
Class : Class 8
in C the comets are smaller when they are away from the sun

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