List of top Science and Technology Questions on Lenses asked in Maharashtra Class X Board

Study the entries in the following table and rewrite them by putting the connected items in the single row:

What is the melting point of alumina and how is the melting point reduced?
Write the names from the description:
Give the molecular formula and structural formula of Benzene.
The refractive index of diamond is ..................
The power of a convex lens of focal length \( 20 \text{ cm} \) is ....................