Question

what is meant by reflection ,real image,virtual image

spectrum
dispersion
rectlinewe propagtuon​

Answer 1

Answer:

spectrum is the only thing I m

Answer 2

$\huge\bf \: Answer :$

Reflection :

• The phenomenon in which light falling on a surface of the object is sent back by the surface of the object is called as reflection of light.

Real image :

• Image that can be projected on a screen.

Virtual Image :

• Image that cannot be projected on a screen.

Dispersion :

• Splitting of light into its seven component colours.

Spectrum :

• The sequence of colours obtained when light undergoes dispersion.

Rectilinear propagation :

• The property that light always travels in a straight line.