Question 294: Ray Optics

Question

During a cloudy day, a primary and a secondary rainbow may be created, then the :

Accepted Answer

Primary rainbow is result of three-step process, that is, refraction, internal reflection and refraction.
Secondary rainbow is result of four step process, that is, refraction, internal reflection, internal reflection and refraction.
Secondary rainbow appears above the primary rainbow.

Answer

secondary rainbow is due to single internal reflection and is formed above the primary one.

Answer

primary rainbow is due to double internal reflection and is formed above the secondary one.

Answer

primary rainbow is due to double internal reflection and is formed below the secondary one.

Answer

secondary rainbow is due to double internal reflection and is formed above the primary one.

Ray Optics

During a cloudy day, a primary and a secondary rainbow may be created, then the :

Choose the correct answer: