Read the following assertion and reason statments to give the correct answer.
 
1. 
Assertion (A): A rainbow is formed due to the dispersion of sunlight by tiny water droplets present in the atmosphere.
Reason (R): Water droplets behave like small prisms and split white sunlight into its constituent colours.
 
 2. 
Assertion (A): Internal reflection of light is involved in the formation of a rainbow.
Reason (R): Sunlight undergoes refraction, dispersion, internal reflection, and refraction again inside water droplets.