a.

splits into three components after rainfall

b.

is dispersed by glass prisms

c.

splits into its constituent colours

d.

is dispersed into its constituent colors by raindrops

a.

Electrophorus

b.

Ebonite rod

c.

Gold-leaf electroscope

d.

Proof planes

a.

diffraction

b.

refraction

c.

dispersion

d.

interference

a.

Speed

b.

Acceleration

c.

Momentum

d.

Distance