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XII BOARDS PREVIOUS YEAR-QUESTION PAPER 2023-Question
- Which one of the following has relative magnetic permeability between ...
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- The figure shows variation of current (I) with time (t) in four device...
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- are also known as heat waves.
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- A plane wavefront is incident on a concave.mirror of radius of curvatu...
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- A proton and an alpha particle have the same kinetic energy. The ratio...
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- The direction of induced current in the loop abc is:
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- An ac voltage v = v0 sinomegat is applied to a series combination of a...
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- The threshold voltage for a p-n junction diode used in the circuit is ...
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- The potential energy of an electron in the second excited state in hyd...
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- The difference in mass of 7X nucleus and total mass of its constituent...
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- Assertion (A): In 'n' type semiconductor, number density of electrons ...
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- Assertion (A): When three electric bulbs of power 200 W, 100 W and 50 ...
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- Assertion (A): A current carrying square loop made of a wire of length...
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- The figure shows vm^2 versus 1/lambda raph for photoelectrons emitted ...
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- Describe the process by which energy is released by the sun.
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- Using Gauss’ law, derive an expression for the electric field at a poi...
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- .A cell of emf E and internal resistance r is connected across a varia...
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- Obtain an expression for electrostatic potential energy ofa system of ...
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- Two small conducting balls A and B of radius r1 and r2 have charges q1...
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- What is a displacement current ? How is it different from a conduction...
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