National Science Olympiad Forum By SOF Olympiad Trainer - Page 429

User Forum

Subject :NSO    Class : Class 3

Post Your Answer

Subject :NSO    Class : Class 3

Ans 1:

Class : Class 5
Bb

Ans 2:

Class : Class 3
D

Ans 3:

Class : Class 9
b

Ans 4:

Class : Class 8
B

Ans 5:

Class : Class 9
d

Ans 6:

Class : Class 3
d

Post Your Answer

Subject :NSO    Class : Class 10

Ans 1:

Class : Class 10
30 cm

Post Your Answer

Subject :NSO    Class : Class 5

Post Your Answer

Subject :NSO    Class : Class 5

Ans 1:

Class : Class 7

Ans 2:

Class : Class 7

Ans 3:

Class : Class 5

Ans 4:

Class : Class 3
ddddddddddd

Post Your Answer

Subject :NSO    Class : Class 5

Post Your Answer

Subject :NSO    Class : Class 3

Ans 1:

Class : Class 5
C

Ans 2:

Class : Class 9

Ans 3:

Class : Class 3
C

Ans 4:

Class : Class 5
C

Ans 5:

Class : Class 9
c

Post Your Answer

Subject :NSO    Class : Class 4

Ans 1:

Class : Class 8

Ans 2:

Class : Class 4
Incubation C Is the answer

Ans 3:

Class : Class 5
Answer is hatching.

Post Your Answer

Subject :NSO    Class : Class 9

Ans 1:

Class : Class 9
Option D is the correct answer as the ratio between H1 H2 and H3 is 1: 3 : 5.

Ans 2:

Class : Class 9

Ans 3:

Class : Class 9
yes, (a) is the right answer as due to accelaration by gravity, velocity of any freely falling object will increase continuously. So, (b) is wrong as h1, h2 and h3 are given equal, (c)is wrong too as it is given that covered distance decreases after every 5 seconds, and (d) is also wrong for the same reason.

Post Your Answer

Subject :NSO    Class : Class 9

Ans 1:

Class : Class 9
(a) is no doubt right, (b) may be wrong, (c) is right and (d) is also right.

Ans 2:

Class : Class 9
Option B is wrong . As it is talking of the energy shell. OR might be the question is incorrect as the all the options are correct as per my information.

Ans 3:

Class : Class 10
Answer should be either B or c because both of them are incorrect

Ans 4:

Class : Class 9
C should be the answer! a- 2*4^2=32. b-the outermost shell always has 8 to gain perfect stability or become a noble gas. c-wrong, filling always starts from the first, second, third, THEN fourth. d-2*5^2=50

Ans 5:

Class : Class 10

Ans 6:

Class : Class 8

Ans 7:

Class : Class 9
(D) is correct

Ans 8:

Class : Class 9
ans should no doubt be c because of the Hund 's rule and also fifth shell does accommodate 50 electrons according to 2n^2 :2*5^2=2*25=50.

Post Your Answer