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XII BOARDS PREVIOUS YEAR-XII BOARDS-SET -I
- Define ionisation energy. What is the value for a hydrogen atom?
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- Two different wires X and Y of same diameter but different materials a...
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- Name the part of electromagnetic spectrum whose wavelength lies in the...
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- When light travels from a rarer to denser medium, it loses some speed....
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- What is the magnitude of the equatorial and axial fields due to a bar ...
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- A spherical conducting shell of inner radius r(1) and outer radius r(2...
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- How are electromagnetic waves produces by oscillating charges ? Draw a...
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- Show that the electric field at the surface of a charged conductor is ...
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- Two identical loops , one of copper and the other of aluminium , are r...
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- A proton and deuteron are accelerated by same potential difference.Fin...
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- Write two factors justifying the need of modulating a signal. A carr...
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- Write Einstein's photoelectric equation. State clearly any two salient...
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- Draw a plot of potential energy of a pair of nucleons as a function of...
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- Draw a plot of the binding energy per nucleon as a function of mass nu...
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- (i) Identify the logic gates marked P and Q in the given logic circuit...
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- Which mode of propagation is used by short wave broadcast services ha...
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- Write any two factors on which internal resistance of a cell depends ....
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- A network of four each of 12 mu F capacitance is connected to a 500 V ...
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- (i) Draw a neat labelled ray diagram of an astronomial telescope in no...
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- (i) Draw a neat labelled ray diagram of a compound microscope . Explai...
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