Discuss the phenomenon of refraction through a prism and prove that delta = (nu-1) A , where the symbols have their usual meanings. Show that in case of glass prism A + delta = i + e. Or Derive the relation delta =A (mu - 1) for prism of small angle. Or Discuss the phenomenon of refraction through a prism. Derive the relation, A+delta = i+e . Show that for a small angle of prism, delta =A (mu - 1) , when symbols have their usual meanings.

For small angle prism, prove that delta = A (n_(21),-1) , where symbol has their usual meaning.

Discuss the phenomenon of refraction throug a prism.Prove the formula: delta=A (mu-1) .

Discuss the phenomenon of refraction through a prism and prove that for a prism: mu=(sin(A + delta_m)//2)/(sin A//2) ,where A is anle of prism, mu s refractive index of the material of prism and delta_m is the ngle of minimum deviation.

If A, B and C are any three sets, then prove that : A nn (B Delta C) = (A nn B) Delta (A nn C) .

Discuss the phenomenon of refraction of light throgh a glass prism. Derive the relation A+delta=i+e , where the letters have their asual meanings. Using this relation, obtain an expression for the deviation produced by small angled prism. OR Discuss the phenomena of refraction through a prism. Derive the relation A+delta=i+e . Show that for a small angled prism delta=(mu-1)A , where symbols have their usual meanings.

Discuss the phenomenon of refraction of light through a glass prism. Derive the relation: A+delta=i+e ,where the symbols have their usual meninges.

If in triangle ABC, cot A + cot B + cot C = sqrt3 , prove that the triangle is equilateral.

If in a triangle r_(1) = r_(2) + r_(3) + r , prove that the triangle is right angled

Explain refraction of light through a prism and derive relations: i + e = A + delta