Question

Classify the objects or materials given below as opaque, transparent or translucent and

luminous or non-luminous:

Air, water, a piece of rock, a sheet of aluminium, a mirror, a wooden board, a sheet of

polythene, a CD, smoke, a sheet of plane glass, fog, a piece of red hot iron, an umbrella, a

lighted fluorescent tube, a wall, a sheet of carbon paper, the flame of a gas burner, a sheet

of cardboard, a lighted torch, a sheet of cellophane, a wire mesh, kerosene stove, sun,

firefly, moon.​

Answer 1

$\huge{\mathcal {\purple {A}\green {n}\pink {s}\blue {w}\purple{e}\green {r}}}$

1. ☆opaque:-a piece of rock, a sheet of aluminium, a wooden board,a CD,

Urbanization refers to the population shift from rural to urban areas, the decrease in the proportion of people living in rural areas, and the ways in which societies adapt to this change.

$\huge\colorbox{orange}{çhű࿐ ❤}$

Answer 2

☆opaque:-a piece of rock, a sheet of aluminium, a wooden board,a CD,

Urbanization refers to the population shift from rural to urban areas, the decrease in the proportion of people living in rural areas, and the ways in which societies adapt to this change.