National Science Olympiad Forum By SOF Olympiad Trainer - Page 695

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 7
I agree with you

Ans 2:

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 3:

Class : Class 6

Ans 4:

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

Ans 5:

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 6:

Class : Class 10
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Ans 7:

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 8:

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

Ans 9:

Class : Class 9

Ans 10:

Class : Class 7
hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhheeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeelllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllloooooooooooooooooooooooooooooooooooooooooooooo

Ans 11:

Class : Class 6
it should be t/21

Ans 12:

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 13:

Class : Class 8

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 4
yes I also agree with you

Ans 16:

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 17:

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

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Subject :NSO    Class : Class 6

Ans 1:

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

Ans 2:

Class : Class 2

Ans 3:

Class : Class 6
The answer is not B

Ans 4:

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 5:

Class : Class 6
How in processes v condensation came?

Ans 6:

Class : Class 2

Ans 7:

Class : Class 7
easyyyyyyyyy

Ans 8:

Class : Class 6
I do agree with Bhabani prasad

Ans 9:

Class : Class 7
ya

Ans 10:

Class : Class 7
easy

Ans 11:

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

Ans 12:

Class : Class 7
NA

Ans 13:

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

Ans 14:

Class : Class 7

Ans 15:

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

Ans 16:

Class : Class 6

Ans 17:

Class : Class 8
I ALSO AGREE WITH YOU ALL

Ans 18:

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

Ans 19:

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

Ans 20:

Class : Class 7
same

Ans 21:

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

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Subject :NSO    Class : Class 5

Ans 1:

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 2:

Class : Class 7
yup

Ans 3:

Class : Class 6
6536e6w33346si7s7474r6ssxfge65eueskibidyohio fanomtax rizzler

Ans 4:

Class : Class 5
Class :C

Ans 5:

Class : Class 5
The answer is C

Ans 6:

Class : Class 8
The answer is C

Ans 7:

Class : Class 5
C

Ans 8:

Class : Class 7
I prefer option C

Ans 9:

Class : Class 7

Ans 10:

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

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Subject :NSO    Class : Class 5

Ans 1:

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 2:

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

Ans 3:

Class : Class 9
All report an error they give all wrong only

Ans 4:

Class : Class 9

Ans 5:

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

Ans 6:

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

Ans 7:

Class : Class 5
forehead? hahahahahahahahah

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 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 10:

Class : Class 2

Ans 11:

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

Ans 12:

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

Ans 13:

Class :
Ans is D

Ans 14:

Class : Class 4

Ans 15:

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 16:

Class : Class 5
Ans D ( Cow)

Ans 17:

Class : Class 8
Mammals do not have 3 eyes

Ans 18:

Class : Class 5
The answer is D

Ans 19:

Class : Class 6
The answer is D.

Ans 20:

Class : Class 9
ydejkcdhbjxdjkdajkdsjhdasjhdajhsadhjdaj

Ans 21:

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

Ans 22:

Class : Class 4

Ans 23:

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

Ans 24:

Class : Class 8
Mammals do not have 3 eyes

Ans 25:

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

Ans 26:

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

Ans 27:

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

Ans 28:

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 29:

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

Ans 30:

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 31:

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

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6
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Ans 2:

Class : Class 6
never use sof trainer they know nothing

Ans 3:

Class : Class 5
how is it b

Ans 4:

Class : Class 2

Ans 5:

Class : Class 7
The ans should be C.

Ans 6:

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 7:

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

Ans 8:

Class : Class 9
how is it B!?

Ans 9:

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

Ans 10:

Class : Class 8
WHY YOU TYPE SO MANY C Ishaan

Ans 11:

Class : Class 7
There must be a technical issue because when I read the solution, it was written that the correct answer is C.

Ans 12:

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

Ans 13:

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 14:

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

Ans 15:

Class : Class 4

Ans 16:

Class : Class 10
CORRECT ANSWER SHOULD BE C

Ans 17:

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 18:

Class : Class 5
answer is c sof is wrong

Ans 19:

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

Ans 20:

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

Ans 21:

Class : Class 5
howwwwwwww ccccccccccc

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

Ans 24:

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 25:

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 26:

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

Ans 27:

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 28:

Class : Class 5
correct ans is C

Ans 29:

Class : Class 7
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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 4
THE CORRECT ANSWER SHOULD BE 5492

Ans 2:

Class : Class 4

Ans 3:

Class : Class 6

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Subject :NSO    Class : Class 10

Ans 1: (Master Answer)

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

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 3
D is the ans

Ans 2:

Class : Class 8
Why not b

Ans 3:

Class : Class 7
njkhugbvfjdnvog3ngv;3oinv/

Ans 4:

Class : Class 9
HOW'

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 9

Ans 2:

Class : Class 10

Ans 3:

Class : Class 7
lOl

Ans 4:

Class : Class 9

Ans 5:

Class : Class 9
answer is B.

Ans 6:

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

Ans 7:

Class : Class 7
:) :o

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 7
InThe first and second magnets, the south poles are facing each other , so they are going to repel.

Ans 2:

Class : Class 6
Two same poles repel whereas two different poles attract each other. There are two poles of a magnet, to be precise anyway, namely the North and South Pole

Ans 3:

Class : Class 5

Ans 4:

Class : Class 9

Ans 5:

Class : Class 5

Ans 6:

Class : Class 6

Ans 7:

Class : Class 5

Ans 8:

Class : Class 4
They are going to repel each other , as both the south poles of the magnets are facing each other .

Ans 9:

Class : Class 6

Ans 10:

Class : Class 3
they need to repel cause same poles repel

Ans 11:

Class : Class 5

Ans 12:

Class : Class 6

Ans 13:

Class : Class 5
I thought that the whole magnet was north and south each

Ans 14:

Class : Class 6
Very easy!!!!!!!!!!!!!

Ans 15:

Class : Class 4

Ans 16:

Class : Class 5

Ans 17:

Class : Class 5

Ans 18:

Class : Class 7

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