Light

What is the primary source of light for our planet?

• Sun
• Moon
• Stars
• Fire

Define the term "rectilinear propagation of light."

• Light traveling in a straight line
• Light bending
• Light dispersion
• Light reflection

Which type of mirror is commonly used in car rear-view mirrors?

• Convex
• Concave
• Plane
• Spherical

What is lateral inversion in the context of a plane mirror?

• Swapping left and right
• Inverting up and down
• Changing color
• None of the above

Explain the term "dispersion of light" as observed in a prism.

• Breaking light into different colors
• Light bending
• Absorption of light
• Light reflection

Why are concave mirrors used in shaving mirrors?

• Magnification
• Virtual image
• Inversion
• Dispersion of light

What kind of image does a convex mirror produce in a car's rear-view mirror?

• Virtual and diminished
• Real and magnified
• Inverted and real
• Erect and virtual

Name the scientist credited with the discovery of the spectrum of white light.

• Isaac Newton
• Albert Einstein
• Galileo Galilei
• Marie Curie

What is the acronym used to remember the colors of a rainbow?

• VIBGYOR
• ROYGBV
• BIVROYG
• RGBYIVO

Explain the concept of lateral inversion using a practical example.

• Swap of left and right
• Reflection of light
• Change in color
• Dispersion of light