Vittorio needs to clean the dusty mirror hanging on the wall before he can use it$,$ but he would like to clean as little of the mirror as possible.

Part A

Vittorio would like to be able to see the logo on his shirt. Draw the incident and reflected rays showing the light from the logo reflecting off the mirror into his eyes. The rays should meet at the point on the mirror that needs cleaning.

Adjust the existing vectors on the diagram, for the reflected $($R

$)$ and incident $($I

$)$ ray, starting and ending at the surface of the mirror respectively. The location and orientation of the vectors will be graded.

View Available Hint$($s$)$for Part A

Select the elements from the list and add them to the canvas setting the appropriate attributes.Select to observe the list of the elements that can be added to the canvas. Press CTRL$+$Y to get to the elements on the canvas. Press CTRL$+$Q to quit the application.

Select to show$/$hide the vector for the sum of the drawn vectors. Press CTRL$+$Y to get to the elements on the canvas. Press CTRL$+$Q to quit the application.

Delete the selected element. Press CTRL$+$Y to get to the elements on the canvas. Press CTRL$+$Q to quit the application.

Press to go to keyboard navigation instructions below the canvas.

Select to remove all drawn elements. Press CTRL$+$Y to get to the elements on the canvas. Press CTRL$+$Q to quit the application.

Attributes panel is empty. Press CTRL$+$Y to get to the elements on the canvas. Press CTRL$+$M to return to the main menu. Press CTRL$+$Q to quit the application.No elements selected

Press TAB to go to the next element. There is an image on the canvas: Vittorio is facing a vertical flat mirror to the left from him. An incident ray I starts horizontally to the left from his chest. A reflected ray R comes horizontally rightward to his eyes.

Vittorio is facing a vertical flat mirror to the left from him. An incident ray I starts horizontally to the left from his chest. A reflected ray R comes horizontally rightward to his eyes.

R

I

Select the elements from the list and add them to the canvas setting the appropriate attributes. Press TAB to get to the main menu.Use arrow keys to apply parallel transition to the object. Press TAB to move to the next element on the canvas. Press SHIFT$+$TAB to return to selecting the end point. Press DEL to delete the element from the canvas. Press CTRL$+$A to modify the attributes. Press CTRL$+$M to get to the main menu. Press ESC to quit adding or editing this element. Press CTRL$+$Q to quit the application.Press SPACE to get to the set of hotspots or use arrow keys to move on the canvas. Press ESC to quit adding or editing this element. Press CTRL$+$A to modify the attributes. Press CTRL$+$M to get to the main menu. Press CTRL$+$Q to quit the application.Press SPACE to get to the set of hotspots or use arrow keys to move on the canvas. Press TAB to select the whole element. Press SHIFT$+$TAB to move to selecting the start point. Press CTRL$+$A to modify the attributes. Press CTRL$+$M to get to the main menu. Press ESC to quit adding or editing this element. Press CTRL$+$Q to quit the application.Press TAB to move to the next element on the canvas. Press DEL to delete the element from the canvas. Press CTRL$+$A to modify the attributes. Press CTRL$+$M to get to the main menu. Press ESC to quit adding or editing this element. Press CTRL$+$Q to quit the application.Press SPACE to get to the set of hotspots or use arrow keys to move on the canvas. Press ENTER to change the direction. Press TAB to move to the next element on the canvas. Press DEL to delete the element from the canvas. Press CTRL$+$A to modify the attributes. Press CTRL$+$M to get to the main menu. Press ESC to quit adding or editing this element. Press CTRL$+$Q to quit the application.

Select the elements from the list and add them to the canvas setting the appropriate attributes.