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Elearning
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25

Description

an e-learning sample for secondary school physics.

Vocal Characteristics

Language

English

Voice Age

Young Adult (18-35)

Accents

Indian (General)

Transcript

Note: Transcripts are generated using speech recognition software and may contain errors.
e learning activity. Name light travels in a straight line. Aim to demonstrate that light travels in a straight line material or materials required. Torch used black boat duster to retort Stand procedure one. Take a retort. Stand and place it on the table to switch on a torch and fix it to the retort. Stand in such a way that it's light is focused on to the wall off the room. Three. Now switch off the lights to make the room dark full. Take the two black boat dusters that are being used in the classroom to rub the black boat. Five. Tap the dusters in such a way that the chalk powder falls on the space between the wall and the torch. Six. Observed the part off light when it passes through the chalk powder. Record your observations. You have observed a straight beam off light is observed. When the duster is tapped between the torch and the wall, it proves that light travels in a straight line observation or observations. One. A straight beam off light is observed when the duster is tapped between the torch and the wall. Learning outcome or outcomes. The light travels from the torch and falls on the wall. We could not see the bending off the light, but can observe that it travelled straight from the torch to the wall. It means that light travels in a straight line.