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RAY OPTICS AND OPTICAL INSTRUMENTS Physics - RAY OPTICS AND OPTICAL INSTRUMENTS

Bihar Board (BSEB) - STD 12 Science - Physics (BSEB - English Medium). 46 questions in this chapter.

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RAY OPTICS AND OPTICAL INSTRUMENTS question types

46 questions across 4 question groups — pick any mix to generate a Physics paper with step-by-step answer keys.

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Sample Questions

RAY OPTICS AND OPTICAL INSTRUMENTS questions

One sample from each question group in this chapter. Select any group above to see the full set with answer keys.

Q 73 Marks Question3 Marks
Obtain the relationship between object distance (u), image distance $(v)$ and focal length (f) for a concave mirror.###Obtain $\frac{1}{f}=\frac{1}{v}+\frac{1}{u}$ formula for a concave mirror.
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Q 134 Marks Questions4 Marks
Draw the graph of deviation angle $(\delta)$ versus incidence angle (i) and derive the formula for refractive index $n_{21}=\frac{\sin \left(\frac{A+D_m}{2}\right)}{\sin \left(\frac{A}{2}\right)}$ for the material of prism.
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Q 144 Marks Questions4 Marks
Explain how the image is formed by thin convex lens and derive
$-\frac{1}{u}+\frac{1}{v}=\left(n_{21}-1\right)\left[\frac{1}{R_1}-\frac{1}{ R _2}\right]$###
Derive lens maker's formula for thin convex lens.
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