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JBD PUBLICATION-MODEL TEST PAPER -08-EXERCISE
- Kilowatt is the unit of :
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- Moment of inertia of a body depends only on the mass of body.(True / F...
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- Working of a refrigerator is based upon ............ law of thermodyna...
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- Write an expression for the kinetic energy of a gas molecule .
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- Write one example of periodic motion.
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- What type of phenomean can be used as measure of time? Give two exampl...
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- the resistance R = V / I,if V= (50+-2) and I=(5+- 0.1),find the percen...
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- If overset vec A = 2 hati-hatj+2 hatk and overset vec B = 2 hatk+hatj-...
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- Prove that second law of motion measures force.
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- What is mass energy equivalence and write its importance?
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- A body of mass 20g is rotating around a pole 50 cm away with a frequen...
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- What is geostationary satellite ?Write its two applications.
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- What is anomalous expansion of water and its use in nature?
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- Using time velocity graph,derive the relationv^2-u^2 = 2aS,where every...
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- A bullet is fired at an anlge 30^@ in horizontal with velocity 300 m s...
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- Define centripetal force and find an expression for it.
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- A steam engine of mass 3xx 10^4 kg pulls two wagons each of mass 2 xx1...
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- Define potential enrgy of a body .Find an expression for the potential...
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- How does value of acceleration due to gravity vary with altitude
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- Explain different modes of transfer of heat from one place to the othe...
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