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JBD PUBLICATION-Model Test Paper 15-EXERCISE
- Why is it easier to rotate a disc than a ring of the same mass and siz...
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- Define gravitational potential and find an expression for it.
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- Why bridges are declared unsafe after long use?
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- State Polygon law of vector addition and prove it using Triangle law o...
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- Why does a cyclist lean to one side while going along a curve? In whic...
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- State and prove work energy theorem.
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- How much mass of 92 U^235 is converted into energy per day at a nuclea...
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- Explain the effect of depth on the value of acceleration due to gravit...
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- A mass is divided into two parts so that the force of gravitation betw...
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- Define coefficient of viscosity. Give its unit.
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- State second law of thermodynamics ?
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- Define the molar specific heats fo a gas and find a relation btween th...
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- Define simple harmonic motion.
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- What is Doppler's effect?Derive a general expression for the apparent ...
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- What is beat of sound?
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- What are statiionary waves?State their characteristics.
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- Define Angle of contact.
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- Define modulus of elasticity and its unit. Also write its dimensions.D...
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- What is anomalous expansion of water and its use in nature?
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- Explain different modes of transfer of heat from one place to the othe...
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