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Questions and Answers
What is the angle of incidence if ZAON is 50 degrees?
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?
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?
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?
In the context of reflection, what does a real image refer to?
Why is it important to consider at least two rays of light for finding the position of an image after reflection?
Why is it important to consider at least two rays of light for finding the position of an image after reflection?
What is denoted by the letter r in the context of reflection?
What is denoted by the letter r in the context of reflection?
Which plane contains the incident ray and the normal?
Which plane contains the incident ray and the normal?
In irregular reflection, what occurs when light falls on a rough surface?
In irregular reflection, what occurs when light falls on a rough surface?
What is the point of incidence on a reflecting surface?
What is the point of incidence on a reflecting surface?
Which direction does the reflected ray follow in regular reflection?
Which direction does the reflected ray follow in regular reflection?
What spreads over a wide area in irregular reflection?
What spreads over a wide area in irregular reflection?
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?
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?
In the experiment described, what angle was chosen for ZMOA?
In the experiment described, what angle was chosen for ZMOA?
What happens when a light ray retraces its path as observed in the experiment with a plane mirror?
What happens when a light ray retraces its path as observed in the experiment with a plane mirror?
What is the angle ZMOA known as in the experiment setup?
What is the angle ZMOA known as in the experiment setup?
Where should the point O be located to perform the experiment as described?
Where should the point O be located to perform the experiment as described?
What does placing two pins vertically on line OA help determine during the experiment?
What does placing two pins vertically on line OA help determine during the experiment?
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