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

User Forum

Ask Your Question
ShrutoKalyan Dey from The Heritage School, Kolkata
Subject :NSO    Class : Class 6

You are standing upright in a room in front of a vertical mirror. In this mirror, you can see from your position, only the upper two-third part of your body. You wish to see the full image of your body in the mirror. Which combination of the following three courses of action will achieve this?
I. Move away from the mirror
II. Move towards the mirror
III. Use a mirror whose height will allow you to see your full image

A I only
B II only
C III only
D Either I or III


How come it is only option C and not D ?

Ans 1:

Naman from Svm, Nalasopara
Class : Class 6
answer will be D

Ans 2:

Sharmi Chowdhury from G.D Birla Centre For Education , Kolkata
Class : Class 7
But I think it'd be d

Ans 3:

Ishika from BBPS Dwarka, New Delhi
Class : Class 8
Try standing in front of a mirror where only two-thirds of your body is visible. You will find it quite impossible to see the whole of yourself, even by moving away. that's why the answer is option c only.

Post Your Answer

shlok pant from Vibgyor , Bengaluru
Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

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

Post Your Answer

ShrutoKalyan Dey from The Heritage School, Kolkata
Subject :NSO    Class : Class 6

Ans 1:

Aniket Ghosh from DAV Public School Haldia, Haldia
Class : Class 7
what would be the answer???

Ans 2:

Gauri Singh from St Johns School Marhauli, Varanasi
Class : Class 7
The answer is convergent,but what's its meaning?

Post Your Answer

Sampurna Mandal from DAV Public School Jagganath Talcher, Angul
Subject :NSO    Class : Class 6

Ans 1:

yashaswini mohanty from st lukes english medium school,burla, Bhubaneswar
Class : Class 6
The answer s A.

Ans 2:

yashaswini mohanty from st lukes english medium school,burla, Bhubaneswar
Class : Class 6
The answer is A.

Post Your Answer

DHANJIT BAISHYA from DPS ,DHALIGAON, bongaigaon
Subject :NSO    Class : Class 8

Ans 1: (Master Answer)

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

Post Your Answer

DHANJIT BAISHYA from DPS ,DHALIGAON, bongaigaon
Subject :NSO    Class : Class 8

Ans 1: (Master Answer)

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

Post Your Answer

DHANJIT BAISHYA from DPS ,DHALIGAON, bongaigaon
Subject :NSO    Class : Class 8

Ans 1: (Master Answer)

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

Post Your Answer

parthasarathy from mount litera zee school , hyderabad
Subject :NSO    Class : Class 6

Post Your Answer

Anantha Narayanan M S from NPS Goaplapuram Chennai, Chennai
Subject :NSO    Class : Class 7

Refer to the given flow chart showing flow of energy in a food chain.

Select the correct statement regarding P, Q, R and S.
(i) S helps in cleaning of environment as well as recycling of nutrients.
(ii) The role of Q comes when plants and animals die.
(iii) P operate at all levels of food chain.
(iv) R eats other animals and get its food indirectly from P.

A (i) and (iv) only
B (i), (iii) and (iv) only
C (iii) and (iv) only
D (i), (ii), (iii) and (iv)


Ans 1:

Suvan Arora from Vivek High School, Mohali
Class : Class 7

Ans 2: (Master Answer)

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

Post Your Answer

Tapan from San Academy, Chennai
Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

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

Post Your Answer