Understanding Light and Refraction

What is the main challenge students face with the concept of light?

• Identifying different colors of light

• Grasping the concept of ray diagrams

• Understanding the speed of light

• Measuring the intensity of light

In the glass and arrow activity, what happens to the arrow when viewed through water?

• It changes color

• It flips

• It remains the same

• It disappears

What is the term used to describe the bending of light as it passes through different media?

• Diffraction

• Reflection

• Dispersion

• Refraction

Which law is discussed in relation to the refraction of light?

• Snell's Law

• Hooke's Law

• Ohm's Law

• Newton's Law

What materials are used in the activity to demonstrate refraction with a laser?

• Bottle, Dettol, laser, and incense stick

• Glass and pencil

• Prism and sunlight

• Mirror and flashlight

What type of lens is used to form a real and inverted image?

• Concave lens

• Convex lens

• Plano-convex lens

• Biconcave lens

Which lens forms a virtual image in the activity?

• Plano-concave lens

• Convex lens

• Biconvex lens

• Concave lens

What is the main difference between images formed by concave and convex lenses?

• Color of the image

• Size and orientation of the image

• Speed of light through the lens

• Intensity of the image

What is the effect of these activities on students?

• They become more confused

• They lose interest

• They visualize and retain concepts better

• They forget the concepts quickly

What feedback did the teacher receive from students after the activities?

• Students found the activities boring

• Students were uninterested

• Students asked more questions

• Students did not understand the topic