National Science Olympiad Forum By SOF Olympiad Trainer

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
A is the right option

Ans 2:

Class : Class 6
d is the right option.

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 6

Soham, a class 6 student, took four solid objects W, X, Y, and Z of different weights and made from the same plastic material of density 0.85 g/cm3 and placed them in beakers containing equal amount of water having density 1.0 g/cm3 as shown in the figure :



What would be his observation?

AObjects X and Z will sink while W and Y will float.
BObjects W and Y will sink while X and Z will float.
CAll four objects will sink.
DAll four objects will float.


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Subject :NSO    Class : Class 7

Read the given passage.

The land near the equator is colder than the land away from it. Near the equator, Sun’s rays fall vertically. As the latitude increases, the rays become more and more slanting. Vertical rays spread over a larger land area than slanting rays. Also, they pass through a thicker layer of the atmosphere which absorbs a large part of their heat. Hence, the land near the equator gets heated up lesser by the Sun than the land away from it, in a given time.
Some of the words have been italicised in the given passage. Select the incorrect statement regarding these.

A The words colder and lesser need not to be replaced as they are correctly mentioned.
B Larger should be replaced by smaller.
C Thicker should be replaced by thinner.
D None of these


Ans 1:

Class : Class 7
I think it should be option d

Ans 2:

Class : Class 7

Ans 3:

Class : Class 7
I think it should be option "D"

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
Can you tell the answer of this question

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