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Dhruvan G from Indian School al Ghubra, Muscat
Subject :NSO    Class : Class 9

Which of the following is not correct?

A If we drop a 10 lb iron ball and 1 lb aluminium ball from the top of a high platform inside a mine, then both will reach the floor at the same time.
B The gravitational force of attraction between the two bodies increases when their masses are increased and distance is reduced.
C We do not observe small objects moving towards each other because frictional force balances the gravitational pull.
D When a body is thrown up, the acceleration due to gravity at the topmost point is zero because velocity of the body is zero.


Shouldn't it be C

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Nipun from National Public School, Bangalore
Subject :NSO    Class : Class 8

Ans 1:

Nipun from National Public School, Bangalore
Class : Class 8
Correct answer not available upper scale will show weight of bottom scale as well

Ans 2:

Nipun from National Public School, Bangalore
Class : Class 8
upper 10 kg plus weight of bottom scale

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Agastya from NCS Mumbai, Mumbai
Subject :NSO    Class : Class 7

Ans 1:

nishka Alpesh Lad from U S Ostwal English Academy, Mumbai
Class : Class 7
B. Rainfall

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Aditya Sai Vemparala from Amanora school, Pune
Subject :NSO    Class : Class 8

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Agastya from NCS Mumbai, Mumbai
Subject :NSO    Class : Class 7

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Anirudh from Modern senior secondary school , CHENNAI
Subject :NSO    Class : Class 5

Ans 1:

Pranjal Agarwal from St Kabir Public School , Panchkula
Class : Class 5

Ans 2:

Ahaan Mittal from Primus Public School, Bengaluru
Class : Class 5
C is the correct answer. Check solution

Ans 3:

Fareeha siddiqua from Janki Devi public school , Mumbai
Class : Class 5
ans is C

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Sneha Sarkar from South city international school, Kolkata
Subject :NSO    Class : Class 3

Ans 1:

Avinita from NK Bagrodia Rohini , Delhi
Class : Class 3
woodpecker

Ans 2:

RAYANSH MISHRA from VIBGYOR HIGH, Pune
Class : Class 3
woodpecker ?how?

Ans 3:

RAYANSH MISHRA from VIBGYOR HIGH, Pune
Class : Class 3

Ans 4:

Avinita from NK Bagrodia Rohini , Delhi
Class : Class 3
woodpecker

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Tanishka from Gopalan International School, Bangalore
Subject :NSO    Class : Class 2

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Mithran L from The Shishukunj International School, Indore
Subject :NSO    Class : Class 6

Fill in the blanks with most appropriate option.
Although a number of objects, such as kites, birds, aeroplanes move in space, but their shadow is not seen on the earth. This is due to the reason that the (i), the region of complete (ii) is not able to reach the earth. The region of partial (iii), that is the (iv) reaching the earth is too large and too faint to be visible to us.

(i) (ii) (iii) (iv)
A Penumbra Darkness Brightness Umbra
B Penumbra Brightness Darkness Umbra
C Umbra Darkness Brightness Penumbra
D Umbra Brightness Darkness Penumbra


Ans 1:

Mithran L from The Shishukunj International School, Indore
Class : Class 6

Ans 2:

Mithran L from The Shishukunj International School, Indore
Class : Class 6
The answer is option (B).

Ans 3:

Sidharth Maheshwari from Pathways School Gurgaon, Gurugaon
Class : Class 6
c

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Saatwik Padhy from TREE HOUSE HIGH SCHOOL, VIRAR
Subject :NSO    Class : Class 2

Ans 1:

Anunnakee Banerjee from Dr CL Metha Sishya OMR , Chennai
Class : Class 3
c is also correct. Fish chicken comes from animal hence not vegetarian food

Ans 2:

Noel Verdes from NESISM, Mumbai
Class : Class 2
Milk can be one such food as R

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