A circular object when kept between a small source of light and a screen, casts a sharp shadow on the screen.

This experiment proves:

Rectilinear propagation of light

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Laws of reflection

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Wave nature of light

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Laws of refraction

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Solution

The correct option is A
Rectilinear propagation of light

In a shadow region, no light ray coming from the source is falling on the screen. If light had not travelled in straight lines then it would have curved around the object and brightened the shadow region to some extent.

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Similar questions

A circular object when kept between a small source of light and a screen, casts a sharp shadow on the screen. What could be the phenomenon responsible?

What does these lines mean- the fact that a small source of light casts a sharp shadow of an opaque object points to this straight line path of light, usually indicated as a ray of light.

Q. When an object is placed _____ a light source, the shadow formed on the screen is _______.

Q. When light is incident on object A and object B, object A casts a shadow on a screen whereas object B does not. Which of the following is/are true?

Q. In an experiment, positions of light source and screen are fixed. An opaque object is taken closer to the source then the size of the shadow on the screen ___________.

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A circular object when kept between a small source of light and a screen, casts a sharp shadow on the screen. This experiment proves:

The correct option is A Rectilinear propagation of light In a shadow region, no light ray coming from the source is falling on the screen. If light had not travelled in straight lines then it would have curved around the object and brightened the shadow region to some extent.

A circular object when kept between a small source of light and a screen, casts a sharp shadow on the screen.

This experiment proves:

The correct option is A
Rectilinear propagation of light

In a shadow region, no light ray coming from the source is falling on the screen. If light had not travelled in straight lines then it would have curved around the object and brightened the shadow region to some extent.