National Science Olympiad Forum By SOF Olympiad Trainer - Page 134
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Amrit Biswas from INDUSVALLEY PUBLIC SCHOOL, Noida
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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YAGYA SHUKLA from KENDRIYA VIDYALAYA AFS BEGUMPET, HYDERABAD
Subject :NSO    Class : Class 8

Ans 1:

SONAL MUKUND SHINDE from PODAR INTERNATIONAL SCHOOL SANGLI, TASGAON
Class : Class 10
Option A

Ans 2:

SONAL MUKUND SHINDE from PODAR INTERNATIONAL SCHOOL SANGLI, TASGAON
Class : Class 10

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ALICE from Delhi Public School, UDAIPUR
Subject :NSO    Class : Class 5

Ans 1:

ALICE from Delhi Public School, UDAIPUR
Class : Class 8
cdvg

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Sanvi from K R Mangalam, Ghaziabad
Subject :NSO    Class : Class 5

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Sahasra Shanker from KV IIT, Chennai
Subject :NSO    Class : Class 10

Read the passage carefully and answer the following questions. A beam of white light falling on a glass prism gets split into seven colours marked 1 to 7 as shown in figure.

Which of the following statement is correct?

A The colours in the order of increasing wavelength are 1 < 2 < 3 < 4 < 5 < 6 < 7.
B The colours in the order of increasing frequency are 1 < 2 < 3 < 4 < 5 < 6 < 7.
C The colours in the order of decreasing speed are 7 > 6 > 5 > 4 > 3 > 2 > 1.
D The colours in the order of decreasing deviation are 1 > 2 > 3 > 4 > 5 > 6 > 7.


how to do this

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Pranav from JSS Public School, Bengaluru
Subject :NSO    Class : Class 9

Ans 1:

Pranav from JSS Public School, Bengaluru
Class : Class 10

Ans 2:

Pranav from JSS Public School, Bengaluru
Class : Class 10

Ans 3:

Pranav from JSS Public School, Bengaluru
Class : Class 10

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anu from Haralur, Bengaluru
Subject :NSO    Class : Class 2

Ans 1:

Sidharth V from Hindustan International School, Chennai
Class : Class 4

Ans 2:

anu from Haralur, Bengaluru
Class : Class 4
dddddDDDDDD

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ADVAY BANSAL from LOTUS VALLEY INTERNATIONAL SCHOOL GURUGRAM, GURUGRAM
Subject :NSO    Class : Class 3

Ans 1:

SS from meridian, hyderabad
Class : Class 5
no way

Ans 2:

Krithik Mishra from Delhi Public School East, Bangalore
Class : Class 5
it will be (d) because it dose all of them

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swasthi m bhat from vivekananda cbsc school, puttur
Subject :NSO    Class : Class 1

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Anwesha Kale from wisdom world school, pune
Subject :NSO    Class : Class 5

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