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SURA PUBLICATION-HALF YEARLY MODEL QUESTION PAPER-Subjective Questions
- What is Rayleigh's scattering?
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- A metal rod 6.522 m long at 285K expands by 0.576 m at 363K. Find the ...
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- What is meant by Weightless?
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- An athlete runs a certain distance before taking a long jump . Why ?
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- Distinguish between linear and areal or superficial expansion.
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- Why does sound travel faster on a rainy day than on a dry day?
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- What is rust ? Give the equation for formation of rust .
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- Lemon juice has a pH 2, what is the concentration of H^(+) ions?
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- How is ethanoic acid prepared from ethanol? Give the chemical equation...
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- What are the structures involved in the protection of brain?
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- What are psychotropic drugs ?
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- How are e-wastes generated?
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- A cricket ball of mass 25 g moving with a speed of 12 ms^(-1) is hit b...
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- Define moment of a couple.
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- (i) Differentiate convex lens and concave lens. (ii) What is meant b...
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- Define electric potential and potential difference.
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- Calculate the number of molecules in 11 g of CO(2)
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- Write notes on (i) Saturated solution. (ii) Unsaturated solution.
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- Define rate of reaction.
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- A plant hormone was first discovered in Japan when rice plant were suf...
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