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Find the amount of work done in blowing ...

Find the amount of work done in blowing a soap bubble of surface tension `0.06 Nm^-1` from 2 cm radius to 5 cm radius.

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MBD-MODEL PAPER 1-EXERCISE
  1. State and prove work-energy theorem.

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  2. Show that the area of the triangle contained between the vectors veca ...

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  3. Lighter the body, smaller will be the acceleratio with which it falls ...

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  4. What is Stokes' law? Derive the relation by method of dimensions.

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  5. What do you mean by reversible and irreversible process? Give example.

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  6. Calculate the number of degrees of freedom of molecules of hydrogen in...

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  7. A hollow sphere is filled with water through a small hole in it. It is...

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  8. Resolve a given vector into two rectangular (or orthogonal) components...

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  9. A new system of units is proposed in which unit of mass is alpha kg, u...

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  10. Define elastic limit and discuss stress-strain graph

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  11. Find the amount of work done in blowing a soap bubble of surface tensi...

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  12. Calculate the external work done when an ideal gas is expanded adiabat...

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  13. Write the expression for the speed of propagation of transverse and lo...

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  14. The velocity of a particle executing SHM is V1 when displacement is X1...

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  15. What is a projectile? What do you understand by trajectory? Show that...

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  16. Define centripetal and centrifugal forces. Explain with the help of ne...

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  17. State and prove Bernoulli's theorem for liquid having streamline flow.

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  18. What is meant by coefficient of linear expansion, superficial expansio...

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  19. What is mean free path of a gas molecule? Show that the mean free path...

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  20. State and explain the law of equipartition of energy of a dyamic syste...

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