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VIKRAM PUBLICATION ( ANDHRA PUBLICATION)-RAY OPTICAL AND INSTRUMENTS-VERY SHORT ANSWER QUESTIONS
- Define focal length and radius of curvature of a concave lens.
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- What do you understand by the terms 'focus' and 'principal focus' in t...
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- What is optical density and how is it different from mass density ?
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- What are the laws of reflection through curved mirrors ?
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- Define power of a lens and write its unit
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- A concave mirror of focal length 10 cm is placed at a distance 35 cm f...
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- A concave mirror produces an image of a long vertical pin, placed 40 c...
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- A small angled prism of 4^(@) deviates a ray through 2.48^(@). Find th...
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- What is 'dispersion' ? Which colour gets relatively more dispersed ?
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- The focal length of a concave lens is 30 cm. Where should an object be...
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- Example with the help of labelled ray diagram, the defect of vision ca...
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- What is hypermetropia ? How can it be corrected ?
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