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JBD PUBLICATION-Model Test Paper 11-EXERCISE
- Oif a force 20 N is applied on a body of mass 5 kg at rest then find t...
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- What is the need of banking a circular road?
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- Show that sum of P.E. and k.E. of a freely falling body is conserved.
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- The displacement x of a body of mass 10 kg moving in one dimension und...
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- Define escape velocty. Obtain an expression for the escape velocity of...
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- Find an expression for the heat which flows from one pont to the other...
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- What is a refrigerator? Calculate its coeficient of performance.
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- Deduce the expression for work done in an isothermal process.
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- What is periodic motion ? Give few examples .
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- Draw a graph to show the variation s of P.E., K.E. and total energy of...
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- Explain damped and undamped oscillations.
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- What is simple harmonic motion and prove a simple pendulum oscillates ...
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- Why telephone wires between two poles become taut in winter?
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- Derive an expression for the rise of liquid in a capillary tube and sh...
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- What is plastic? What are its different types?
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- Define critical velocity and find a relation fo it .Also discuss the i...
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- Define centre of mass.
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- Prove the theorem of parallel axes.
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- Which law is used by a ballet dancer to change her speed or rotation?
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- Define moment of inertia
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