National Science Olympiad Forum By SOF Olympiad Trainer - Page 9

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 8

Refer to the given passage and answer the following questions. Two concrete rectangular blocks 1 and 2 have dimensions as shown in figures. Standing on one of its faces as shown, the pressure exerted by block 1 is P. Both the blocks are made of same material.

Find the value of P, if weight of the block 1 is 5 N, and the value of x, y and z are 2 cm, 6 cm and 8 cm respectively.

A3125 N m-2
B4167 N m-2
C1389 N m-2
D1042 N m-2


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Subject :NSO    Class : Class 3

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 7

Abhay conducted an experiment to observe the variation of temperature with time in water. For that he took two identical set-ups each consisting of a container filled with water, an electric heater and a thermometer. Only the positions of the electric heater and the thermometer differ in both the set-ups.

Which of the following graphs represents the approximate variations of the readings of the thermometers, P and Q with time?

A
B
C
D


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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 3

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Subject :NSO    Class : Class 8

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
B is correct.Google it if you don’t believe me

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