National Science Olympiad Forum By SOF Olympiad Trainer

User Forum

Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
Answer will be D only. Plastic may or may not be flexible. It depends upon type of plastic.

Ans 2:

Class : Class 3
Yes... answer is both A

Ans 3:

Class : Class 4

Ans 4:

Class : Class 1
the correct answer is A.

Ans 5:

Class : Class 4
Its A

Ans 6:

Class : Class 3
a

Ans 7:

Class : Class 3
C I think

Ans 8:

Class : Class 4
IT IS C

Ans 9:

Class : Class 3
A

Ans 10:

Class : Class 4
Answer can be both A and D

Ans 11:

Class : Class 3
how

Post Your Answer

Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Class : Class 1
The correct answer is D.

Post Your Answer

Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Class : Class 1
The correct answer is A.

Post Your Answer

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 4

Ans 2:

Class : Class 4
We all know that the correct answer is B . It's not the Master Answer !!!!!

Ans 3:

Class : Class 4

Ans 4:

Class : Class 4
the correct answer is A according to the pattern

Ans 5:

Class : Class 4
sorry it is B . My mistake

Ans 6:

Class : Class 4
We all know the answer is B . It's not the Master Answer !!!!

Ans 7:

Class : Class 4

Ans 8:

Class : Class 4
fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuucccccccccccccccccccccccccccccccccccccccccccccccccccckkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk

Ans 9: (Master Answer)

Class : Class 1
The correct answer is B.

Ans 10:

Class : Class 4
See see seeIt is B Give me likesIf you like my poetry

Post Your Answer

Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5

Ans 2:

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

Post Your Answer

Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4

Ans 2:

Class : Class 4
correct ANS= [d]

Ans 3:

Class : Class 4
The answer is [D] None of these, because the picture shows Kimono which is the traditional dress of Japan

Ans 4:

Class : Class 4
The dress shown here is Kimono and is traditional dress of Japan . So answer D is correct .

Ans 5:

Class : Class 4

Post Your Answer

Subject :NSO    Class : Class 3

The given figure shows phases of the Moon as seen from the Earth surface (as shown with arrow point). The following statements describe the lunar cycle. Select the correct statement(s).

(1) The lunar phases progress from Full Moon, Crescent Moon, First Quarter Moon, Gibbous Moon and New Moon, before returning through Gibbous Moon, last Quarter Moon, Crescent Moon and Full Moon.
(2) From phase 1 to 3 waxing crescent is seen and from phase 7 to 9 waning crescent is seen.
(3) From phase 3 to 5 waxing gibbous is seen and from phase 5 to 7 waning gibbous is seen.
(4) 50% illuminated Moon is seen in phase '3' as well as in phase '7'.

A 1 only
B 1 and 3
C 1, 2 and 4
D 2, 3 and 4


d is the answer

Ans 1: (Master Answer)

Class : Class 1
The correct answer is D.

Ans 2:

Class : Class 3

Post Your Answer

Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
c

Post Your Answer