1. Get a flashlight and switch it on.
What do you observe about the
beam it ernits?
Q1. What do
2. Examine the part where the bulb is positioned.
you notice?​

Respuesta :

Answer:

Explanation:

1. The beam emitted travels along a straight path and it is divergent in nature. It has its radius increasing progressively as the distance away from the source of light increases.

2. It would be observed that the region where the bulb is positioned has denser light beam. This gets fainter towards the edges of the beam and away from the bulb.

Light emitted travels in a straight path and change occurs its radius.

When a flashlight is switch on we observe two things. First that the beam emitted travels in a straight path and second, that its radius increases when  the distance between flashlight and object on which light is fall increases.

The part where the bulb is positioned it would be observed that the region where the bulb is positioned has denser light beam at whereas away from the positioned has lighter beam so we can conclude that light emitted travels in a straight path or line.

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