Multiple choice

The type of glass used in making prisms and lenses is ______.

  1. Soft glass

  2. Pyrex glass

  3. Jena glass

  4. Flint glass
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Flint glass has a higher refractive index compared to crown glass, making it ideal for prisms and lenses where greater light bending is required. It contains lead oxide, which increases its refractive power and dispersion properties.

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