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OSWAAL PUBLICATION-Sample Paper 3-Exercise
- What is the wavelength range of X-rays ?
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- Whrite the expression for displacement current or Maxwell's displaceme...
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- How is the power of lens related to its focal length ?
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- Who proposed the wave nature of light?
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- What is the SI unit of activity?
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- Draw the circuit symbol of n-p-n transistor
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- Mention and five properties of electric field lines.
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- Give an expression for force acting on a charge moving in magnetic fie...
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- What is hysterisis? Define the terms 'coercivity' and 'retentivity' of...
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- What are eddy currents ? Mention two applications of eddy currents.
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- What is a thin prism? Write its deviation expression.
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- How do you represent plane polarized and unpolarised light ?
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- Define half life of a radioactive element and deduce the expression fo...
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- Give three differences between intrinsic and extrinsic semiconductors
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- Derive an expression for the electric potential energy of a system of ...
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- State and explain Ohm.s law and hence defien ohm.
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- Write any four properties of ferromagnetic materials and give an examp...
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- Derive the expression for emf induced in a straight conductor moving p...
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- State any three feautures of nuclear force
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- Distinguish between conductors, insulators and semiconductors on the b...
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