National Science Olympiad Forum By SOF Olympiad Trainer - Page 647

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
the correct ansswer is vacum

Ans 2:

Class : Class 7
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Ans 3:

Class : Class 8
We cannot hear through vacuum.

Ans 4:

Class : Class 7
wwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwww

Ans 5:

Class : Class 3
i think it is SOLID

Ans 6:

Class : Class 3
D [vacuum] is the correct answer.

Ans 7: (Master Answer)

Class : Class 1
The correct answer is D.

Ans 8:

Class : Class 3
vacuum is not the correct answer the correct answer is solid

Ans 9:

Class : Class 3
Yes, The correct is vacum

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Subject :NSO    Class : Class 2

Ans 1:

Class : Class 8
It should be Noon since there is no shadow

Ans 2:

Class : Class 5
bad

Ans 3:

Class : Class 7

Ans 4:

Class : Class 6

Ans 5:

Class : Class 4
class:

Ans 6:

Class : Class 5
It is morning.

Ans 7:

Class : Class 7
Can you please help me understand this question before this Tuesday.

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
how

Ans 2:

Class : Class 5

Ans 3:

Class : Class 4
How is the answer coming

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Subject :NSO    Class : Class 2

Ans 1:

Class : Class 5
The correct answer will be C

Ans 2:

Class : Class 6
no, its b

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
Yes the answer is supposed to be a

Ans 2:

Class : Class 6
you are wrong ans is bbbbbbbbbbbbbbbbbbbbbbb

Ans 3:

Class : Class 7
The red portion on the compass always signifies the north direction. So the answer given is wrong.

Ans 4:

Class : Class 4
S0

Ans 5:

Class : Class 4
Answer

Ans 6:

Class : Class 8

Ans 7:

Class : Class 4
Yes the red pointer shows north so she has to go towards east and east is towards right of north answer is wrong the answer should be A

Ans 8:

Class : Class 9
it's b as when she will turn around she will be facing north and her right is east and when she'll turn the east side is on her left

Ans 9:

Class : Class 8
Confusing question, confusing answers discussed. HEY MASTER ANSWER PLZ HELP US OUT!

Ans 10:

Class : Class 9
kpks, apply mind . it is said that red portion(NORTH) points towards her, which means that she is seeing SOUTH with her eyes. Now , to go eat, if she was seeing north only , she would have to turned right. But as she in facing south, she will have to turn opposite of right i.e - leftso those who are saying ans is a , are mad!!!!!!!

Ans 11:

Class : Class 6
B is the correct answer.

Ans 12:

Class : Class 8
confusing question

Ans 13:

Class : Class 7
EASY MAN ANSWER IS B BECAUSE SHE'S FACING SOUTH AND TO GO EAST YOU TAKE LEFT (IF YOU ARE FACING SOUTH)

Ans 14:

Class : Class 6
@Arunav, please don't say these bad comments... It hurts people who have given the wrong answer.

Ans 15:

Class : Class 10
Yes I think it is a as well

Ans 16:

Class : Class 10
if we are facing towards north and we have to go to east we must turn towards right and then go to straight.It means that answer they have given us in wrong.

Ans 17:

Class : Class 9

Ans 18:

Class : Class 6
I think the answer provided is right, since the compass(Red Pointer) is pointing towards her i.e, in the north direction, so she is facing south. Hence for her east will be towards left and then go straight.

Ans 19:

Class : Class 4

Ans 20:

Class : Class 4
B

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 8
a is correct one

Ans 2:

Class : Class 6
as the magnetic field near the ends/poles is strong ,the number of iron nails attracted will be more near the poles and less near the centre

Ans 3:

Class : Class 8

Ans 4:

Class : Class 9
a is correct answer

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 8
The letters are rearranged in descending order PENCIL -> PNLIEC ANGLE -> NLGEA

Ans 2:

Class : Class 6
Please explain

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Subject :NSO    Class : Class 1

Ans 1:

Class : Class 5
8

Ans 2:

Class : Class 1

Ans 3:

Class : Class 2
ans is 8

Ans 4:

Class : Class 4
a

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 7

Ans 2:

Class : Class 5
Class :Easy

Ans 3:

Class : Class 8

Ans 4:

Class : Class 8
Answer D : All of these

Ans 5:

Class : Class 10
Melting of ice

Ans 6:

Class : Class 5
ans 6 is use less

Ans 7:

Class : Class 7

Ans 8:

Class : Class 7
Only melting of ice cube can be again turned to it's original form

Ans 9:

Class : Class 5
All of you are correct in one sense but in other sense if we look i think all of these is the answer

Ans 10:

Class : Class 9
melting of ice

Ans 11:

Class : Class 9
melting of ice

Ans 12:

Class : Class 4
MELTING OF ICE IS THE ONLY PHYSICAL CHANGE IN THE GIVEN OPTIONS. OTERS ARE CHEMICAL CHANGE.

Ans 13:

Class : Class 8
they are mads

Ans 14:

Class : Class 9
melting of ice is a physical change but why not others? they are to!

Ans 15:

Class : Class 6
Melting of ice

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6
As air can be compressed and takes up the volume of container, its final volume in the jar will be 400 cm3.

Ans 2:

Class : Class 7
D

Ans 3:

Class : Class 4
d won't be the correct answer. the answer is c as air can be compressed.

Ans 4:

Class : Class 8
Correct answer is C because air can be compressed. You don't need to add 400 and 50 because air can be compressed

Ans 5:

Class : Class 5
air can be compressed and it would be 450 cm3 answer is d

Ans 6:

Class : Class 6

Ans 7:

Class : Class 7
CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC

Ans 8:

Class : Class 5
The volume of the JAR is 400 cm3 . If we insert air in the jar, the VOLUME OF THE JAR will remain the same as it is mentioned that the JAR IS COMPLETELY MADE OF GLASS, which is not flexible. Therefore, the answer is C .......

Ans 9:

Class : Class 4
the question says what is the total volume of AIR in the jar, so as air can be compressed then it should obviously contain 450cm3 and I never heard of glass being flexible in other words the 50cm3 of air in the jar is not going to disappear or fly away so ans is D

Ans 10:

Class : Class 9
It will be D as it says that the jar contains 400 cm3 air and if a 50 cm3 syring filled with air is put into the jar it will become 450 cm3 400 50 = 450 cm3.

Ans 11:

Class : Class 8
you all are coreect

Ans 12:

Class : Class 5
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD

Ans 13:

Class : Class 7

Ans 14:

Class : Class 5
Class : easy

Ans 15:

Class : Class 8
yes all please understand sorry if i am wrong it compress the air dear children it wont increase t decreases

Ans 16:

Class : Class 5
D

Ans 17:

Class : Class 6

Ans 18:

Class : Class 4
Sof pls give us a GOOD explanation. Ans is d.

Ans 19:

Class : Class 1
Ans 16 is wrong

Ans 20:

Class : Class 7
Ans is c

Ans 21:

Class : Class 5
I thought it would be C but after profound thinking I realised that the answer would be D

Ans 22:

Class : Class 6
C

Ans 23:

Class : Class 5
D

Ans 24:

Class : Class 6
the answer is d

Ans 25:

Class : Class 7
d

Ans 26:

Class : Class 8

Ans 27:

Class : Class 4
ans is D

Ans 28: