A rectangular wooden block has length, breadth and height of 50 cm, 25cm and 10cm, respectively. This wooden block is kept on ground in three different ways, turn by turn. Which of the following is the correct statement about the pressure exerted by this block on the ground?

(c) The maximum pressure is exerted when breadth and height form the base.

A rectangular wooden block has length, breadth and height of 50 c…

The boiling point of liquid argon is:

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Compounds formed by metals and non-metals contain charged species which are known as:

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A car is accelerated on a levelled road and attains a speed of 4 times its initial speed. In this process, the kinetic energy of the car:

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A freely falling object eventually stops on reaching ground. What happens to its potential and kinetic energy while falling?

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Which one of the following statements related to the process of evaporation is incorrect?

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First living cells were observed by:

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Who wrote the book Micrographia, which contains some of the most beautiful drawings of microscopic observations ever made?

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The number of electrons in a neutral atom is equal to:

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Spacing between particles of gas can be decreased. Hence, __________?

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Whose living cells provide tensile and mechanical strength?

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