National Science Olympiad Forum By SOF Olympiad Trainer - Page 660

User Forum

Subject :NSO    Class : Class 6

Ans 1:

Class : Class 8

Ans 2:

Class : Class 6

Ans 3:

Class : Class 8
the answer should be a

Ans 4:

Class : Class 6

Ans 5:

Class : Class 10

Ans 6:

Class : Class 6

Ans 7:

Class : Class 7

Ans 8:

Class : Class 6
Why can't option A be the answer?

Ans 9:

Class : Class 6

Ans 10:

Class : Class 9

Ans 11:

Class : Class 6
shouldn't the answer be B

Ans 12:

Class : Class 10

Ans 13:

Class : Class 6

Ans 14:

Class : Class 6
ddd ssx

Ans 15:

Class : Class 7
oh hi atul sanjeev

Ans 16:

Class : Class 6

Ans 17:

Class : Class 8
Class :

Ans 18:

Class : Class 4

Ans 19:

Class : Class 9
um the figure shows that only the negative part of the cell gives energy not a positive side so shouldn't the answer be only 1 and 2

Ans 20:

Class : Class 10

Ans 21:

Class : Class 4

Ans 22:

Class : Class 3

Post Your Answer

Subject :NSO    Class : Class 6

Ans 1:

Class : Class 9
D is only correct and not A. So, A is the correct answer

Ans 2:

Class : Class 10
Kelvin is the SI unit of temperatureSo both A and D are in correct

Ans 3:

Class : Class 9
question is wrong . the question should be which of the following are correct ?

Ans 4:

Class : Class 6

Ans 5:

Class : Class 9

Ans 6:

Class : Class 7

Ans 7:

Class : Class 6

Ans 8:

Class : Class 9

Ans 9:

Class : Class 8
A, B, D are correct....incorrect is C. Because forearm is the length of the arm between elbow joint and wrist joint but the cubit is length from tip of elbow to the tip of the middle finger. so forearm length is smaller than the cubit. So answer is option C

Ans 10:

Class : Class 10
well this question sound confusing to alli will go with the child from phoenix schoolbecause a is correct because as mentioned in synopsis of this chapter that example of rectlinear motion is a car driving on a straight roadbut option b shoul also be the option as the kelvin is the si unit of tempreature

Ans 11:

Class : Class 8
kelvin is the SI unit of temperature so option D is correct and A is also correct because rectilinear motion is motion in a straight line like a car moving on a straight road

Ans 12:

Class : Class 7
this question is different lol

Ans 13:

Class : Class 8
why A is correct and not incorrect because a vehicle need not go in rectilinear path on a straight road it can go zigzag as well

Ans 14:

Class : Class 9
A option is the correct answer

Post Your Answer

Subject :NSO    Class : Class 4

Ans 1:

Class : Class 6
airindia means option a

Ans 2:

Class : Class 6
airindia means option a

Post Your Answer

Subject :NSO    Class : Class 4

Ans 1:

Class : Class 7

Ans 2:

Class : Class 6
Difficult.

Ans 3:

Class : Class 6
very easy

Post Your Answer

Subject :NSO    Class : Class 6

Post Your Answer

Subject :NSO    Class : Class 6

Ans 1:

Class : Class 9
And is D. 🐈🐱‍🚀😹🐱‍🏍😺🐱😻😿🐱‍🐉😸😾🐱‍💻😼🐱‍👤🐱‍👓😽🙀

Ans 2:

Class : Class 8
shourya and sherlock nope you are wrong and just admit, stop defending this corporation who clearly makes more wrong answers than us

Ans 3:

Class : Class 6
option B

Ans 4:

Class : Class 8
Option'B'.

Ans 5:

Class : Class 6
light speeds - how can they change?

Ans 6:

Class : Class 9
Sorry, it should be (D). :( :(

Ans 7:

Class : Class 9
NOT sure but i think its D

Ans 8:

Class : Class 5
Option 'B' light does not change speed in any medium except vacuum.

Ans 9:

Class : Class 7
d wrong h

Ans 10:

Class : Class 9
Yes, it should be option B

Ans 11:

Class : Class 7
Are murkh google car le

Post Your Answer

Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
some coloured plastic bottles are translucent don't tell me you haven't seen one

Ans 2:

Class : Class 9

Ans 3:

Class : Class 6
solution: *the shadow will form on the screen*. maybe it says the shadow will form on a screen behind the transparent sheet. and that point of view it is true. best of luck all

Ans 4:

Class : Class 7
oh oh people see they said TRANSPARENT SHEET OF THE PLASTIC BOTTLE SIZE!!that gives the clue that there is another screen behind both those things...vedant amonger you're absolutely right!!!!others all wrong:(

Ans 5:

Class : Class 6
It could be B or D

Ans 6:

Class : Class 7
answer is b

Ans 7:

Class : Class 8

Ans 8:

Class : Class 10
b and sof is mad. there are 6 wrong questions in a test paper in which this question was included

Ans 9:

Class : Class 7
BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB

Ans 10:

Class : Class 6
Answer will be B.

Ans 11:

Class : Class 9
its D

Ans 12:

Class : Class 7
OHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH

Ans 13:

Class : Class 6

Ans 14:

Class : Class 8
SOF please fix this!

Ans 15:

Class : Class 6
true

Ans 16:

Class : Class 8
In the solutions , it says that a colored plastic bottle is a opaque material... However , it is actually a translucent material...:( Maybe since the coloured bottle is translucent , a faint shadow will be seen.. So , here it says that no shadow will be seen at all , which I think is false.. Hope this helps:)

Ans 17:

Class : Class 9
It's A or B plz clarify

Ans 18:

Class : Class 9
Yes the ans is B

Ans 19:

Class : Class 9
statement 1 is also true because it says that the sheet is transparent but SHADOWS DON'T FORM ON TRANSPARENT OBJECTS !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Ans 20:

Class : Class 6

Ans 21:

Class : Class 9
the correct answer is d because shadows don"t form in a transparent object

Ans 22:

Class : Class 6
Ans is B

Ans 23:

Class : Class 8
Answer shud be B.. The question is unclear. They have mentioned what the screen here is supposed to be 😪

Ans 24:

Class : Class 6
the answer is a

Post Your Answer

Subject :NSO    Class : Class 1

Ans 1:

Class :
As it is given in number 1 =5+4+6=15 ,it is same in number 3=8+6+5=19

Post Your Answer

Subject :NSO    Class : Class 5

Post Your Answer

Subject :NSO    Class : Class 2

Ans 1:

Class : Class 3

Ans 2:

Class : Class 5
C

Ans 3:

Class : Class 7
I got 20 out of 20

Ans 4:

Class : Class 3
SIR (A) HAS TO BE THE ANSWER

Post Your Answer