A rectangular piece of glass 3 cm thick is placed on top of a paper. How high are the letters written on the paper?

A rectangular paper of 44 cm long and 6 cm wide is rolled to form a cylinder of height equal to width of the paper. The radius of the base of the cylinder so rolled is

A glass slab (mu=1.5) of thickness 6 cm is placed over a paper. What is the shift in the letters?

What is the apparent position of an object below a rectangular block of glass 6 cm thick, if a layer of water 4 cm thicke ia on the top of the glass ? Given ^(a)mu_(g) = 3//2 and ^(a)mu_(w) = 4//3 .

If a rectangular paper of length 6 cm. and width 3 cm. is rolled to form a cylinder with height equal to the width of the paper, then its base radius is

A rectangular piece of paper 11cm xx4cm is folded without overlapping to make a cylinder of height 4cm. Find the volume of the cylinder.

A rectangular piece of paper 22cmxx 6cm is folded without overlapping to make a cylinder of height 6cm. Find the volume of the cylinder.

A piece of glass is placed on a paper having letters of different colours. The letters of which colour will be raised maximum is