National Science Olympiad Forum By SOF Olympiad Trainer - Page 648

User Forum

Subject :NSO    Class : Class 3

Ans 1:

Class : Class 8
D

Ans 2:

Class : Class 3
i m not getting the answer

Post Your Answer

Subject :NSO    Class : Class 6

Ans 1:

Class : Class 8
Here, in this example, the pendulum passes through y 21 times. So, it will do 10 complete oscillations and 1 half which is basically touching y. Therefore, the time period of the pendulum is T/10.

Ans 2:

Class : Class 8
it should be t/10 only as during time period the pendulum will pass through the point y twice.so the time period will be t/10

Ans 3:

Class : Class 8
it should be t/10 only as during time period the pendulum will pass through the point y twice.so the time period will be t/10

Ans 4:

Class : Class 8

Ans 5:

Class : Class 7
hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhheeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeelllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllloooooooooooooooooooooooooooooooooooooooooooooo

Ans 6:

Class : Class 3
The answer is right - it should be T/10

Ans 7:

Class : Class 9
Yes it should be t/10 as the pendulum will pass through point y twice in its one revolution...... so the the time period should be t/10

Ans 8:

Class : Class 6
throughout the time period or the 21 swings the pendulum will pass through the point Y 21 times. so the answer is B(t/21)

Ans 9:

Class : Class 7
I agree with you

Ans 10:

Class : Class 8
Hi The Answer is T/10Sub To my YT:SkyPeRtan Wolf

Ans 11:

Class : Class 10
smsmsmsmsmmmsmsmsmsmsmsmsmsmsmfjjjjjjjjjjfjjfjfjfjfjfffffffffffffffyhhhhhhhhhhhhhhhhhhhhhhhhhhhhyhhhhhhhhhhyyyyyyyyyyyyyyyyujjjjjjjjjjjjjjjjikkkkkkkkkkkkkkkkkkkkkkkloooooooooooooooyhhhhhhhhhhhhhhhhbggggggggggggggghndcccccccccccccccccccchndcccccccccccccccccccccccccccedhyncccccccccccccccccccccccccccccccccccccccccccccccccccccchynedcccccccccccccccccccccccccchdenyccccccccccccedyhncccccccccccccccccccccccyyyyyyyyyyyyyyyyyyyyyyyyyyyyyydheycnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn

Ans 12:

Class : Class 6
it should be t/21

Ans 13:

Class : Class 4
yes I also agree with you

Ans 14:

Class : Class 8
it should be t/10 only as during time period the pendulum will pass through the point y twice.so the time period will be t/10

Ans 15:

Class : Class 6
It should be T/21 only as T is the total time and no of times it passes Y is 21.Therefore the answer is T/21

Ans 16:

Class : Class 9

Ans 17:

Class : Class 6

Post Your Answer

Subject :NSO    Class : Class 6

Ans 1:

Class : Class 9
In process v, actually sublimation takes place

Ans 2:

Class : Class 7
easy

Ans 3:

Class : Class 7
NA

Ans 4:

Class : Class 7
I also agree with all of you . That's just impossible, I guess.

Ans 5:

Class : Class 7
easyyyyyyyyy

Ans 6:

Class : Class 7
same

Ans 7:

Class : Class 2

Ans 8:

Class : Class 2

Ans 9:

Class : Class 7
Guys you are wrong process name is deposition but you need to cool it to water then freeze it

Ans 10:

Class : Class 7
it is a direct change, so it does have to turn into liquid state

Ans 11:

Class : Class 6

Ans 12:

Class : Class 8
I ALSO AGREE WITH YOU ALL

Ans 13:

Class : Class 6

Ans 14:

Class : Class 6
gas to solid is deposition and opposite is sublimation ans wrong

Ans 15:

Class : Class 6
We can express process v as deposition and how did condensation and freezing get involved

Ans 16:

Class : Class 6
I do agree with Bhabani prasad

Ans 17:

Class : Class 9
Answer is B because to turn Water vapour into ice you need Deposition but water vapour cannot be deposited that is why you first need to turn the water vapour to water by condensation and then to convert water to ice you need freezing . Hence answer B is correct

Ans 18:

Class : Class 7
The answer can be B and D both.

Ans 19:

Class : Class 6
The answer is not B

Ans 20:

Class : Class 6
How in processes v condensation came?

Ans 21:

Class : Class 7
ya

Post Your Answer

Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
C

Ans 2:

Class : Class 8
The answer is C

Ans 3:

Class : Class 7
I prefer option C

Ans 4:

Class : Class 6
it can also be said as static electricity

Ans 5:

Class : Class 5
6536e6w33346si7s7474r6ssxfge65eueskibidyohio fanomtax rizzler

Ans 6:

Class : Class 5
The answer is C

Ans 7:

Class : Class 5
Class :C

Ans 8:

Class : Class 7

Ans 9:

Class : Class 8
The correct ans is option C because electrostatic force is a non contact force which is similar to magnetic force and the comb is like a magnet and tin pieces of paper are like the metal here (So the comb will attract the tiny pieces of paper).

Ans 10:

Class : Class 7
yup

Post Your Answer

Subject :NSO    Class : Class 5

Ans 1:

Class : Class 7
As this question is already wrong a mammal can not have 6 legs.

Ans 2:

Class : Class 4
If this animal really existed it would have to be a monster that would eat us

Ans 3:

Class : Class 8
Is cow have 6 legs and 1 eye on its forehead

Ans 4:

Class : Class 8

Ans 5:

Class : Class 5
I thought this could be an insect as it HAS SIX LEGS. And some spiders( I know they are not insects ) have more than two eyes so it could be possible that the correct answer is b. But it has fur and is feeding its young one milk so the answer should be d

Ans 6:

Class : Class 8
this question makes no sense . 6 legs-can be an insect , eye on his forehead???

Ans 7:

Class : Class 4

Ans 8:

Class : Class 5
I can say that they have fur but they don't have 6 legs and 1 eye on the forehead

Ans 9:

Class : Class 5
Ans D ( Cow)

Ans 10:

Class : Class 7
This is impossible cow only as four legs and two eyes and those two are not on the forehead

Ans 11:

Class : Class 6
The answer is D.

Ans 12:

Class : Class 7
Idiots, the monster fed milk to its young, a feature seen only in Mammals

Ans 13:

Class : Class 8
Mammals do not have 3 eyes

Ans 14:

Class : Class 5
The answer is D

Ans 15:

Class : Class 9

Ans 16:

Class : Class 5
It can't be D as they do not have six legs. no option is correct. I will report error for it is NOOT D

Ans 17:

Class : Class 4
how can we tell what group is that animal if that doesn't exist

Ans 18:

Class :
Ans is D

Ans 19:

Class : Class 9
The answer is D. Hair on skin and breast feeding the young ones are characteristic of mammals such as cow. So, if really existed, this animal would have been placed with cow.

Ans 20:

Class : Class 4

Ans 21:

Class : Class 5
Yes but in the question it said that the animal was imanginative can't believe what type of an animal it was.

Ans 22:

Class : Class 4
ydejkcdhbjxdjkdajkdsjhdasjhdajhsadhjdaj

Ans 23:

Class : Class 7
This is impossible because a cow has four legs not 6 legs and also it has two eyes not one eye and those two eyes are not on the forehead

Ans 24:

Class : Class 8
If the animal really existed it would have belonged to the same group as cow.

Ans 25:

Class : Class 5
forehead? hahahahahahahahah

Ans 26:

Class : Class 5
ans is DBECAUSE IT IS A IMAGINARY ANIMAL

Ans 27:

Class : Class 7
IDIOTS just listen to them or maybe they are wrong

Ans 28:

Class : Class 8
Mammals do not have 3 eyes

Ans 29:

Class : Class 6
mammals do not have 6 legs and has more han 1 eye!

Ans 30:

Class : Class 8
All report an error they give all wrong only

Ans 31:

Class : Class 5
Firstly , mammals do not have three eyes, secondly which mammal has six legs ???????????

Post Your Answer

Subject :NSO    Class : Class 5

Ans 1:

Class : Class 8
WHY YOU TYPE SO MANY C Ishaan

Ans 2:

Class : Class 5
CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC

Ans 3:

Class : Class 6
never use sof trainer they know nothing

Ans 4:

Class : Class 5
I could not find any logic in this answer. Can anyone explain it? THANS FOR READING!!!

Ans 5:

Class : Class 2

Ans 6:

Class : Class 4
and should be C and i did C cut now it is showing that i have done B!!

Ans 7:

Class : Class 8
the answer is c 'cause material 1 is transparent and material 2 is opaque. The solution also says c. Typing error. Thanks for reading

Ans 8:

Class : Class 6
The sol says ans is C but it correct ans is B.

Ans 9:

Class : Class 5
howwwwwwww ccccccccccc

Ans 10:

Class : Class 10
2 should be opaque and 1 transparent, or both opaque

Ans 11:

Class : Class 8
ans should be c!!! I am reporting an error

Ans 12:

Class : Class 9
Ans is c as you see light can't pass through material 2 and can pass through material 1. According to SOF ans b which mean light can pass through cardboard and can't through clear pastic sheet!!!!!. Please correct this SOF or it can be a typing mistake. Thanks for reading.

Ans 13:

Class : Class 5
There must be a technical issue because when I read the solution, it was written that the correct answer is C.

Ans 14:

Class : Class 6
The guys who solved the paper and created this test was in hurry. So he did not take efforts to review his answers, hence many answers are wrong here. How will students trust on these guys?

Ans 15:

Class : Class 9
how is it B!?

Ans 16:

Class : Class 7
The ans should be C.

Ans 17:

Class : Class 6
cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc

Ans 18:

Class : Class 4

Ans 19:

Class : Class 8
It explains c is the correct ans but on the front it says b. Someone please correct this. They cut my marks also.

Ans 20:

Class : Class 5
correct ans is C

Ans 21:

Class : Class 4
The solution itself explains that c is the correct ans. So that means m2 is opaque and m1 is transparent. Please someone correct this ans

Ans 22:

Class : Class 7
In the solutions it is showing C as correct option but in front It is showing B as the answer to this question. please correct the answer.

Ans 23:

Class : Class 8
The answer should be C. But answer is given B which is impossible.

Ans 24:

Class : Class 6
Blunders made by SOF. PLEASE FIX THIS !!!!!

Ans 25:

Class : Class 10
IF SOF CAN EXPLAIN THIS CORRECTLY, THEN I WILL STOP DOING PRACTICE OF ANY OLYMPIAD

Ans 26:

Class : Class 10
CORRECT ANSWER SHOULD BE C

Ans 27:

Class : Class 8
ANSWER WILL BE 'C ' CAUSE THROUGH TRANSPARENT MATERIAL WE CANNOT SEE SHADOW OF A THING BUT THROUGH OPAQUE MATERIAL WE CAN SEE A THING'S SHADOW

Ans 28:

Class : Class 5
answer is c sof is wrong

Ans 29:

Class : Class 5
how is it b

Post Your Answer

Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6

Ans 2:

Class : Class 4
THE CORRECT ANSWER SHOULD BE 5492

Ans 3:

Class : Class 4

Post Your Answer

Subject :NSO    Class : Class 10

Ans 1: (Master Answer)

Class : Class 1
These are referred to as X-linked genes.

Post Your Answer

Subject :NSO    Class : Class 7

Ans 1:

Class : Class 9
HOW'

Ans 2:

Class : Class 7
njkhugbvfjdnvog3ngv;3oinv/

Ans 3:

Class : Class 3
D is the ans

Ans 4:

Class : Class 8
Why not b

Post Your Answer

Subject :NSO    Class : Class 7

Ans 1:

Class : Class 10

Ans 2:

Class : Class 7
:) :o

Ans 3:

Class : Class 7
lOl

Ans 4:

Class : Class 6
uilbvsln v;nuaerofofi'hxcdwrn r[c0[hpamsc

Ans 5:

Class : Class 9

Ans 6:

Class : Class 9
answer is B.

Ans 7:

Class : Class 9

Post Your Answer