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Find out the characteristic crystal length if Mass of the crystal m= 10g Density of crystal is d= 5g/m3 Area of crystal A= 10m2
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Consider the following statements.
1. Glass wool has tensile strength greater than steel.
2. Glass wool is fire proof.
3. Glass wool has high electrical conductivity and absorbs moisture.
4. Glass wool is used to prepare libre glass.
Which of the statements given above are correct?
Which of the following statements about seed crystal are correct? Statement 1: Seed crystal provides a nucleation site. Statement 2: The recrystallization is done by seed crystal.
A crown glass prism with refractive index 6° is to be achromatized for red and blue color light with flint glass prism. What will be the angle of flint glass prism? (µr = 1.513, µr‘ = 1.645, µ2 = 1.523 and µ2‘ = 1.665, Where µr and µ2 are refractive indices of red and blue light respectively whereas, µr‘ and µ2‘ are refractive indices of red and blue light respectively for flint glass.)