National Science Olympiad Forum By SOF Olympiad Trainer - Page 133

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Subject :NSO    Class : Class 2

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Subject :NSO    Class : Class 9

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Subject :NSO    Class : Class 9

The diagram shows the positions of the air particles due to propagation of sound, represented by straight lines, at a particular instant from P to Q.

Which of the following statements correctly depicts the pressure variation with respect to distance?

A The lines which are closed to one another represent rarefaction which is a low pressure region.
B The lines which are far apart from one another represent compression which is a low pressure region.
C The lines which are far apart from one another represent rarefaction which is high pressure region.
D The lines which are closed to one another represent compression which is a high pressure region.


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Subject :NSO    Class : Class 9

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Subject :NSO    Class : Class 1

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Subject :NSO    Class : Class 1

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Subject :NSO    Class : Class 1

Ans 1:

Class : Class 4
WHY THE ANSWER IS NOT OPTION D

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 10
b

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8
JUPITER

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Subject :NSO    Class : Class 8

Read the given statements and select the correct options.
Statement 1 : Kerosene oil and wood do not catch fire on their own at room temperature.
Statement 2 : A combustible material cannot catch fire as long as its temperature is lower than its ignition temperature.

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 and statement 2 is false.
D Both statements 1 and 2 are false.


there is an error in the question it should be higher instead of lower written here

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