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Question
Which of the following produces diffuse reflection of light?
(a) mirror on a dressing table
(b) water surface of a pond
(c) screen in a cinema hall
(d) polished wooden table
Which of the following produces diffuse reflection of light?
(a) mirror on a dressing table
(b) water surface of a pond
(c) screen in a cinema hall
(d) polished wooden table
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Solution
Answer: (c) screen in a cinema hall
In a regular reflection, a parallel beam of incident light is reflected as a parallel beam in one direction, while in diffusion reflection, a parallel beam of incident is reflected in different direction.
When light is incident on smooth surface, the light is reflected in one direction as parallel beam. This is why our eyes cannot view the reflection from mirror, water and polished wood directly.
Screen in a cinema hall produces diffuse reflection of light.
Answer: (c) screen in a cinema hall
In a regular reflection, a parallel beam of incident light is reflected as a parallel beam in one direction, while in diffusion reflection, a parallel beam of incident is reflected in different direction.
When light is incident on smooth surface, the light is reflected in one direction as parallel beam. This is why our eyes cannot view the reflection from mirror, water and polished wood directly.
Screen in a cinema hall produces diffuse reflection of light.
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