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JBD PUBLICATION-MODEL TEST PAPER-02-EXERCISE
- Friction is always harmul in life.(Yes// No)
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- Define angular frequency of rotating body.
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- What do you mean by reversible and irreversible process? Give example.
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- What do you mean by mean free path of a gas molecule?
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- What kinds of energies are posssessed by an oscillating body?
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- Draw a graph to show the motion of a body: with constant velocity.
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- Draw a graph to show the motion of a body: under constant retardation.
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- A bomb of mass 10 kg at rest explodes into two parts of 3 kg and 7 kg....
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- A force of 100 N acts on a body at an anle 30^@ with the horizontal.If...
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- Prove mathematically that the value of acceleration due to gravity has...
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- Define Angle of contact.
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- What are the limitations of dimensional analysis?
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- Write four characteristics of any natural force.
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- Using time velocity graph,derive the relationv^2-u^2 = 2aS,where every...
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- From second law of motion ,prove that F = ma and hence deduce first la...
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- Show that sum of P.E. and k.E. of a freely falling body is conserved.
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- Why does a body becomes weightless at the centre of earth ?
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- What is surface tension? What is the effect of temperature on surface ...
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- A 50 kg girl whose leg bones are 5m^2 in area and 50 cm long falls fr...
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- State first law of thermodynamics.
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