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XII BOARDS PREVIOUS YEAR-QUESTION PAPER 2022 SET - 1-SECTION B
- Distinguish between nuclear fission and nuclear fusion.
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- Deuterium undergoes fusion as per the reaction : ""(1)^(2)H+""(1)^(2...
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- The resistance of p-n junction is low when forward biased and is high ...
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- Answer the following, giving reason : Doping of intrinsic semiconduc...
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- Why are photodiodes used preferably in reverse bias condition?
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- In Geiger-Marsden experiment, calculate the distance of closest approa...
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- If the above experiment is repeated with a proton of the same energy, ...
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- (a) In Young's double slit experiment, describe briefly how bright and...
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- Draw a labelled ray diagram showing the formation of the image at infi...
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- A telescope consists of an objective of focal length 150 cm and an eye...
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- Draw a ray diagram to show the formation of final image at least dista...
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- A small object is placed at a distance of 3.0 cm from a magnifier of f...
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- Use Einstein's photoelectric equation to depict the variation of the m...
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- A photosensitive surface is illuminated with a beam of (i) yellow ligh...
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- A ray of light is incident on a prism at an angle of 45^(@) and passes...
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- A ray of light is incident on a prism at an angle of 45^(@) and passes...
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- A ray of light is incident on a prism at an angle of 45^(@) and passes...
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- Identify electromagnetic waves which : (i) are used in radar system....
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- A plane wavefront propagating from a rarer into a denser medium is inc...
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