Refraction Experiment Concepts

The video tutorial demonstrates an experiment on refraction through a glass slab. It begins with an introduction to the materials needed, followed by setting up the experiment with a glass slab and pins. The instructor explains how to draw outlines and measure angles of incidence. Observations of refraction are made by aligning pins, and the lateral shift is measured. The tutorial concludes with an analysis of the results and potential errors.

What materials are required for the refraction experiment?

• Glass slab, scale, pencil, protractor, pins, wooden board

• Glass slab, chalk, ruler, compass, thumbtacks, cardboard

• Glass slab, tape, marker, ruler, screws, metal board

• Glass slab, ruler, eraser, compass, nails, plastic board

How is the glass slab positioned during the experiment?

• On top of the protractor

• At the corner of the paper

• In the center of the paper

• At the edge of the paper

What is the angle of incidence set during the experiment?

• 10 degrees

• 30 degrees

• 40 degrees

• 20 degrees

What is the purpose of aligning the pins in a straight line?

• To observe the path of light through the glass slab

• To measure the length of the glass slab

• To verify the angle of incidence

• To ensure the incident and refracted rays are parallel

What is the measured lateral shift in the experiment?

• 2.5 cm

• 2.0 cm

• 1.3 cm

• 0.5 cm

What is the angle of refraction measured in the experiment?

• 15 degrees

• 10 degrees

• 20 degrees

• 25 degrees

What is the relationship between the angle of incidence and the angle of emergence?

• They are equal

• They are unrelated

• The angle of incidence is greater

• The angle of emergence is greater

What is the final observed angle of emergence in the experiment?

• 32 degrees

• 30 degrees

• 28 degrees

• 34 degrees

What is the significance of the lateral shift in the experiment?

• It indicates the thickness of the glass slab

• It measures the length of the incident ray

• It shows the deviation of light within the glass slab

• It determines the angle of refraction

What is the main conclusion of the refraction experiment?

• The angle of incidence is always greater than the angle of refraction

• The refracted ray and the extended incident ray are parallel

• The glass slab does not affect the path of light

• Light travels faster in glass than in air