National Science Olympiad Forum By SOF Olympiad Trainer - Page 644

User Forum

Subject :NSO    Class : Class 9

Ans 1:

Class : Class 9
the wave length in air by v=n.lemda, so 350 = 700 . wavelength so wave length = 0.5 m Now when it enters in brass, v = 3500 m/s, so new wavelength = 3500 / 700 = 5 m. So answer is option A, i.e. wavelength will be increased by a factor of 10.

Post Your Answer

Subject :NSO    Class : Class 9

Ans 1:

Class : Class 9

Ans 2:

Class : Class 9
lets go column wise(up to down) in the first one, the topmost value is 7. if we multiply this value with the second last value(i.e. 3), we get 21. now we must add this 21 with the second term(i.e. 8), and we get the last term that is 29. follow the same logic

Post Your Answer

Subject :NSO    Class : Class 3

Ans 1:

Class : Class 9
fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuucccccccccccccccccccccccccccccccccccccccccccccccccccckkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk

Ans 2:

Class : Class 9

Ans 3:

Class : Class 8
hey do not confuse me!!!!!!!!!!!!!!!

Ans 4:

Class : Class 5
all the question answers are b

Ans 5:

Class : Class 8
B

Ans 6:

Class : Class 5
how? according to pattern its A

Ans 7:

Class : Class 5

Ans 8:

Class : Class 8
You do not know what is the patten so kindly do not write anything.

Ans 9:

Class : Class 8

Ans 10:

Class : Class 9

Ans 11:

Class : Class 7
B is the answer.

Ans 12:

Class : Class 5
B is the answerIt is very easy

Ans 13:

Class : Class 8
See see seeIt is B Give me likesIf you like my poetry

Ans 14:

Class : Class 7

Ans 15:

Class : Class 9
sorry it is B . My mistake

Ans 16: (Master Answer)

Class : Class 1
The correct answer is B.

Ans 17:

Class : Class 9
We all know that the correct answer is B . It's not the Master Answer !!!!!

Ans 18:

Class : Class 4
In a circle there is 8 parts in 1 one the top 4 part from left side is shaded in the 2 one the top 3 part is shaded from the left side then on the 1 one then on the bottom 1 one 3 part 4 part . Accordingly b is the answer

Ans 19:

Class : Class 9

Ans 20:

Class : Class 6

Ans 21:

Class : Class 4
it is like 1 and 1 space and then 1 more so accordingly the answer is B it's the MASTER ANSWER!!!

Ans 22:

Class : Class 5
advika take a like ,109090909090 likes

Ans 23:

Class : Class 5
correct answer is a according to the pattern

Ans 24:

Class : Class 9
We all know the answer is B . It's not the Master Answer !!!!

Ans 25:

Class : Class 9
the correct answer is A according to the pattern

Post Your Answer

Subject :NSO    Class : Class 5

Ans 1:

Class : Class 10

Ans 2:

Class : Class 3
one cycle from full moon to new moon or vise-versa = 15 days.15 days will be 28th but not 26th

Ans 3:

Class : Class 7
you are right it is 13 days not 14 (I too made the same mistake)

Ans 4:

Class : Class 5

Ans 5:

Class : Class 7

Post Your Answer

Subject :NSO    Class : Class 4

Ans 1:

Class : Class 7
The dress shown here is Kimono and is a traditional dress of Japan.

Ans 2:

Class : Class 4

Ans 3:

Class : Class 9
The dress shown here is Kimono and is traditional dress of Japan . So answer D is correct .

Ans 4:

Class : Class 8
ANS=(D)

Ans 5:

Class : Class 6
It is d

Ans 6:

Class : Class 6
D

Ans 7:

Class : Class 4
The answer is (D) because there is a Kimono, and it is the traditional dress of Japan.

Ans 8:

Class : Class 7
The correct answer should be option D as this is a Kimono in the picture and a Kimono is the traditional dress of Japan

Ans 9:

Class : Class 7
THE answer is D

Ans 10:

Class : Class 5
Correct answer is D

Ans 11:

Class : Class 5
d

Ans 12:

Class : Class 5
The correct answer is D.

Ans 13:

Class : Class 7
ANS=d

Ans 14:

Class : Class 9
The answer is [D] None of these, because the picture shows Kimono which is the traditional dress of Japan

Ans 15:

Class : Class 6
D

Ans 16:

Class : Class 5
D is correct

Ans 17:

Class : Class 8
correct ANS= [d]

Ans 18:

Class : Class 6
D

Ans 19:

Class : Class 4

Ans 20:

Class : Class 5
Correct answer is =''D''

Post Your Answer

Subject :NSO    Class : Class 3

Ans 1:

Class : Class 1
The correct answer is D .

Ans 2:

Class : Class 6

Ans 3:

Class : Class 4

Ans 4: (Master Answer)

Class : Class 1
The correct answer is D.

Post Your Answer

Subject :NSO    Class : Class 3

Ans 1:

Class : Class 1
The correct answer is C

Ans 2:

Class : Class 3
c

Post Your Answer

Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8
The ans is A,B

Ans 2:

Class : Class 9
Hi friend. The ans is (A) amplitude of vibrating body. HOPE THIS HELPS!!!!

Post Your Answer

Subject :NSO    Class : Class 9

Ans 1:

Class : Class 4
I AM NOT ABLE TO UNDERSTAND THE SOLUTION

Ans 2:

Class : Class 9
as momentum is conserved, m1v=(mi m2)3/2v mi=(m1 m2)3/2 ( mutiply both sides )by rearranging and substituting 3m1=m2 the i got is 9

Post Your Answer

Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
It should be C because we always wear woollen clothes when we go to hill stations and any other cold place . The rest all options show summer clothes but option C is a woollen cap.

Ans 2:

Class : Class 7
c

Ans 3:

Class : Class 5
It should be C because we always wear woollen clothes when we go to hill stations and any other cold place . The rest all options show summer clothes but option C is a woollen cap.

Ans 4:

Class : Class 5
It should be C because we always wear woollen clothes when we go to hill stations and any other cold place . The rest all options show summer clothes but option C is a woollen cap.

Post Your Answer