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Define seconds pendulum....

Define seconds pendulum.

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JBD PUBLICATION-Mock test paper 1-EXERCISE
  1. Define Joule's Mechanical equivalent of heat.

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  2. What is an ideal gas ?

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  3. Define seconds pendulum.

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  4. A body starts from rest moves with constant acceleration p. Find the r...

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  5. What is SI unit of coefficient of viscosity?

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  6. Explain Reflection methods (Radar and Sonar) for measruing distances.

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  7. Calculate the angle through which the cyclist bends with the vertical ...

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  8. A body of mass 10 kg at rest was moved by a constant force 50 N. Find ...

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  9. It is easier to balance a bicycle in motion. Why?

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  10. Prove that g = GM/R^2 , where M is mass and R is radius of earth.

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  11. How is an iron ship able to float where as an iron needle sinks?

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  12. When a projectile os projected at an angle with the horizontal, find t...

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  13. A body travels 200 m in 2 seconds and 220 m in the next 4 seconds. Wha...

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  14. What do you mean by banking of road?

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  15. Show that Lenz's law obeys the law of conservation of energy.

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  16. Define escape velocty. Obtain an expression for the escape velocity of...

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  17. Surface tension depends on

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  18. Find the amount of heat required to convert 1g ice at 0^@ C into steam...

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  19. What is heat engine,write its essential parts?Write its working and fi...

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  20. Deduce the expression for work done in an isothermal process.

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