National Science Olympiad Forum By SOF Olympiad Trainer

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
Difficult.

Ans 2:

Class : Class 5
very easy

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 7
Sorry, it should be (D). :( :(

Ans 2:

Class : Class 7
Yes, it should be option B

Ans 3:

Class : Class 6
option B

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Subject :NSO    Class : Class 6

Read the given statements and select the correct option.
Statement 1 : Rahul placed a coloured plastic bottle in front of the beam of a torch light. Then he placed a transparent sheet of same size on the other side of bottle. No shadow will form on the screen.
Statement 2 : Translucent objects allow light to pass through them partially.

A Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1.
B Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1.
C Statement 1 is true but statement 2 is false.
D Statement 1 is false but statement 2 is true.


what is wrong in the first option?

Ans 1:

Class : Class 6
statement 1 is also true because it says that the sheet is transparent but SHADOWS DON'T FORM ON TRANSPARENT OBJECTS !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

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Subject :NSO    Class : Class 1

Ans 1:

Class :
As it is given in number 1 =5+4+6=15 ,it is same in number 3=8+6+5=19

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 2

Ans 1:

Class : Class 7
I got 20 out of 20

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Subject :NSO    Class : Class 2

Ans 1:

Class : Class 2
THE FIRST PICTURE WAS NOT CLEAR. IS IT ROSE PLANT?

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
Answer should be B

Ans 2:

Class : Class 4
LOL

Ans 3:

Class : Class 5
how can be the answer C.

Ans 4:

Class : Class 5
???????????????????/

Ans 5:

Class : Class 4
The answer is C. It is not B.

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8
D

Ans 2:

Class : Class 8
why is this possible? does this mean 'none of these' is the answer?someone please clarify..

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