National Science Olympiad Forum By SOF Olympiad Trainer - Page 411

User Forum

Subject :NSO    Class : Class 8

Post Your Answer

Subject :NSO    Class : Class 7

Ans 1:

Class : Class 8
D IS THE RIGHT ANSWER BECAUSE IN PHYSICAL CHANGE STATE OF A SUBSTANCE CHANGES AND SHAPE OF SUBSTANCE ALSO CHANGES

Ans 2:

Class : Class 8
D IS THE RIGHT ANSWER BECAUSE IN PHYSICAL CHANGE STATE OF A SUBSTANCE CHANGES AND SHAPE OF SUBSTANCE ALSO CHANGES

Ans 3:

Class : Class 10
The answer is D).Happy to Help

Ans 4:

Class : Class 9

Ans 5:

Class : Class 9

Ans 6:

Class : Class 7
d

Ans 7:

Class : Class 9

Ans 8:

Class : Class 7

Ans 9:

Class : Class 9

Post Your Answer

Subject :NSO    Class : Class 7

Post Your Answer

Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
According to prep guide it is A

Ans 2:

Class : Class 5
Ans is B

Ans 3:

Class : Class 6
Ans should be A

Ans 4:

Class : Class 6
Ans should be A

Ans 5:

Class : Class 5
correct answer is B

Ans 6:

Class : Class 9
a

Ans 7:

Class : Class 5
correct ans is A

Ans 8:

Class : Class 7
a

Ans 9:

Class : Class 5
Answer: A Explanation: Placing a magnet on the outer surface of three of the containers, the safety pin would be attracted to the magnet. In such a way, the safety pin could be removed out of the container.

Ans 10:

Class : Class 5
Ans is A. I checked it myself by petting a safety pin in an iron container.I was able to remove the safety pin.

Ans 11:

Class : Class 5
Correct answer would be B. A safety pin inside an iron container cannot be taken out by a magnet because the power of the magnet would be disturbed by the container,thus not reaching the safety pinto attract it. All the previous answers are given by IDIOTS.

Post Your Answer

Subject :NSO    Class : Class 5

Post Your Answer

Subject :NSO    Class : Class 4

Ans 1:

Class : Class 8
its B

Ans 2:

Class : Class 7
The correct answer is option B.

Ans 3:

Class : Class 6

Ans 4:

Class : Class 8
4B

Ans 5:

Class : Class 4
Option b

Ans 6:

Class : Class 5
the correct answer is b

Ans 7:

Class : Class 6

Ans 8:

Class : Class 7

Ans 9:

Class : Class 5
Answer d

Ans 10:

Class : Class 5
The plant shown has fleshy stems to store water.

Ans 11:

Class : Class 5

Ans 12:

Class : Class 4
B

Post Your Answer

Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6

Ans 2:

Class : Class 5
it is actually due to electrostratic force.

Ans 3:

Class : Class 5
please explain

Ans 4:

Class : Class 5
electric charge is how electrostatic force is formed and the same is here. so answer is DDDDDDDDDDDDD.

Post Your Answer

Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7

Ans 2:

Class : Class 7
x cant occur in closed figure due to unexposed anther, stigma and thus it shall be option C i think

Post Your Answer

Subject :NSO    Class : Class 7

Read the given statements and select the correct answer.
Statement 1 : It is not possible to photograph a virtual image.
Statement 2 : An image is said to be virtual if the reflected or refracted rays are diverging in nature.

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


The answer for this question is given wrong,the answer isYes. Any camera that's capable of photographing actual objects is also capable of photographing real and virtual images.

Post Your Answer

Subject :NSO    Class : Class 8

Ans 1:

Class : Class 5
hyiuhiuhiuhiuohinjkhnjklnh

Post Your Answer