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$Reflection and Refraction Terminology$

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Reflection and Refraction Terminology

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Questions and Answers

What is the angle of incidence if ZAON is 50 degrees?

30 degrees

60 degrees

50 degrees (correct)

40 degrees

If an incident ray makes an angle of 60 degrees with the normal, what would be the angle of reflection?

40 degrees

60 degrees (correct)

30 degrees

50 degrees

What is the relationship between the incident ray, reflected ray, and the normal at the point of incidence?

They lie on the same line (correct)

They are always perpendicular to each other

They form a right angle triangle at the point of incidence

The angles between them add up to 180 degrees

In the context of reflection, what does a real image refer to?

An image formed where light actually converges Signup and view all the answers

Why is it important to consider at least two rays of light for finding the position of an image after reflection?

To accurately determine where the two reflected rays meet Signup and view all the answers

What is denoted by the letter r in the context of reflection?

Angle of reflection Signup and view all the answers

Which plane contains the incident ray and the normal?

Plane of incidence Signup and view all the answers

In irregular reflection, what occurs when light falls on a rough surface?

Diffused reflection Signup and view all the answers

What is the point of incidence on a reflecting surface?

Point where the incident ray meets the normal Signup and view all the answers

Which direction does the reflected ray follow in regular reflection?

Opposite to the incident ray Signup and view all the answers

What spreads over a wide area in irregular reflection?

Reflected light Signup and view all the answers

What is the relationship between the angle of incidence and the angle of reflection when a light ray is incident normally on a plane mirror?

Angle of incidence is equal to the angle of reflection Signup and view all the answers

In the experiment described, what angle was chosen for ZMOA?

60° Signup and view all the answers

What happens when a light ray retraces its path as observed in the experiment with a plane mirror?

It follows the first law of reflection Signup and view all the answers

What is the angle ZMOA known as in the experiment setup?

Angle of incidence Signup and view all the answers

Where should the point O be located to perform the experiment as described?

At the midpoint of line MM Signup and view all the answers

What does placing two pins vertically on line OA help determine during the experiment?

The location and size of images formed by the mirror Signup and view all the answers