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The diameter of a hose pipe is 2 cm. 1m^...

The diameter of a hose pipe is 2 cm. `1m^(3)` of water discharged from the pipe in 20 s and it hits a wall. If the entire kinetic energy of water is converted into heat and this heat is absorbed by the water, what will be the increase in temperature of the water? `J = 4.2 J cdot cal^(-1)`.

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The correct Answer is:
`6.03^(@)C`
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CHHAYA PUBLICATION-FIRST AND SECOND LAW OF THERMODYNAMICS-Exercise - Hots Numerical Problems (Marks 3/4/5)
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  2. The rotational speed of a wheel of diameter 8.4 cm is 4 rps. When a st...

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  3. The diameter of a hose pipe is 2 cm. 1m^(3) of water discharged from t...

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  4. A block having mass of 2 kg is pulled over a horizontal surface at a c...

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  5. 1 kg oil is taken in a copper calorimeter having mass 100 g. This oil ...

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  6. The initial temperature of a lead bullet (specific heat 0.02 cal cdot ...

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  7. A block of ice having mass 6 kg is pulled 50 m horizontally over a sur...

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  8. What will be the change in internal energy of 5g of oxygen, if its tem...

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  9. Two cylinders A and B of equal capacity are connected to each other vi...

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  10. Two cylinders A and B of equal capacity are connected to each other vi...

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  11. Two cylinders A and B of equal capacity are connected to each other vi...

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  12. Two cylinders A and B of equal capacity are connected to each other vi...

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  13. The temperature of 10 g nitrogen gas is increased from 20^(@)C to 120^...

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  14. The temperature of 10 g nitrogen gas is increased from 20^(@)C to 120^...

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  15. Some amount of gas is compressed at STP in an (i) adiabatic process. W...

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  16. Some amount of gas is compressed at STP in an (ii) isothermal process ...

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  17. The initial volume of a gas is 2m^(3). When the gas is compressed adia...

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  18. Some amount of gas is compressed adiabatically at 27^(@)C and standard...

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  19. Two lead bullets of equal mass top after head-on Collison and reach th...

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  20. The specific heat of air at constant volume is 0.1684 cal cdot g^(-1) ...

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