Rainbow Formation and Light Refraction

The video tutorial explains the colors of a rainbow and how they are formed. It begins by identifying the seven colors in a rainbow. The tutorial reveals that white light is composed of these seven colors. A demonstration with a prism shows how it can break white light into its constituent colors. Finally, it explains that raindrops act like prisms, breaking sunlight into a spectrum of colors, which is why rainbows appear on cloudy days.

How many colors are there in a rainbow?

• Seven

• Six

• Five

• Eight

Which of the following is not a color in the rainbow?

• Orange

• Red

• Violet

• Pink

What is white light composed of?

• Single color

• Seven colors

• Two colors

• Three colors

What tool can break white light into its component colors?

• Mirror

• Prism

• Lens

• Glass

What happens when white light passes through a prism?

• It becomes brighter

• It splits into seven colors

• It disappears

• It changes direction

What natural phenomenon acts like a prism in the sky?

• Raindrops

• Clouds

• Sunlight

• Wind

What is the role of raindrops in forming a rainbow?

• They block sunlight

• They act like prisms

• They reflect sunlight

• They absorb sunlight

Why do rainbows appear on cloudy days?

• Due to the moon

• Because of the wind

• Due to the presence of raindrops

• Because of the sun

Which condition is necessary for a rainbow to appear?

• Windy day

• Cloudy sky with raindrops

• Clear sky

• Night time