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UNITED BOOK HOUSE-QUESTION PAPER 2018-EXAMPLE
- A ray of lilght is incident at a small angle theta on a rectangular gl...
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- Two lenses, one convex and the other concave are kept in contact. The ...
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- Explain the cause of dispersion of light.
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- What is understood by diffraction of light? In a single slit experimen...
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- An unpolarised light is incident at angle of polarisation on a reflec...
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- Why are polaroids used in sunglasses?
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- A Person who can see objects clearly at a distance of 10cm, required s...
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- Draw the curve showing the variation of de-Brogli wavelength of a part...
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- Mention the inference of Davission- Grammer experiment.
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- Define stopping potential.
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- When a certain metal surface is illuminated with light of frequency v,...
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- Using Bohr's porstulates of atomic model, derive the expression for th...
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- What is ionisation energy of atom? What is the value of it for hydroge...
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- What is meant by activity of a radioactive sunstance? Write its SI uni...
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- Half-life of a radioactive substance is 30 days. Number of atoms in t...
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- Form AND gate using NOR gates.
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- Wahat is a p-n junction diode? Draw the circuit diagram of a full wav...
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- Draw the output characteristic curves of a n-p-n transistor in a C-E c...
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- What is Zener dioide? Draw its voltage vs currrent characteristics in ...
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- Explain, with circuit diagram, how a Zener diode regulates voltage acr...
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