https://padlet.com/joanne_ang/mpik1mo7t75kxrej Only brief answers are required. en-us 2022-08-12 04:07:06 UTC 2023-08-16 14:32:13 UTC hello@padlet.com sherrsz https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259613821 1.  image must be virtual and drawn using dotted lines
2. incident ray and angle of incidence are two different things
3. incident ray is zero degrees mean that there is no light ray at all]]> 2022-08-12 05:20:16 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259613821 https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259613871 - i learnt that reflected ray, incident ray and normal lie on the same plane.
- drawing of light rays 
-image must have dotted lines. ]]> 2022-08-12 05:20:26 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259613871 https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259613926 1. We must distinguish virtual and real
2. Refresh memory of laws of reflection and images
3. Lines must be straight]]> 2022-08-12 05:20:35 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259613926 https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259613962 i learnt that the angle of incidence, refraction and the normal all lie on the same plane 

i learnt that the angle of incidence is the same as the angle of refraction 

how to draw light rays ]]> 2022-08-12 05:20:42 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259613962 https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259613990 1- The laws of reflection
2- I learnt how to find the angle of incidence and angle of reflection
3- images must be virtual and dotted lines must be used.]]> 2022-08-12 05:20:46 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259613990 https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614094 - drawing of light rays 
- characteristic of a virtual image ]]> 2022-08-12 05:21:07 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614094 https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614106 characteristics of a virtual image 

drawing of light rays]]> 2022-08-12 05:21:09 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614106 sherrsz https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614142 1. how to draw the ray diagram properly 
2. light ray travels in a straight line and must be drawn with ruler]]> 2022-08-12 05:21:18 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614142 https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614154 draw light rays properly]]> 2022-08-12 05:21:20 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614154 https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614167 1. i learnt that when drawing the image, it must be drawn with dotted lines
2. i learnt that “incident ray is zero” is different from angle of incident is zero 
3. i learnt about the drawing of light ray ]]> 2022-08-12 05:21:23 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614167 https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614175 -drawing light rays correctly ]]> 2022-08-12 05:21:24 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614175 https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614208 the laws or reflection
how to locate images
angle of incidence=angle of reflection

]]> 2022-08-12 05:21:31 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614208 sherrsz https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614224 read my questions more carefully and use ruler when drawing ray diagrams ]]> 2022-08-12 05:21:34 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614224 https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614240 Virtual is normally dotted 
We only look at the image of object for refraction]]> 2022-08-12 05:21:37 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614240 https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614249 1- How to draw ray diagrams
2- images must be drawn with dotted lines]]> 2022-08-12 05:21:38 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614249 https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614260 make sure the ray in the mirror is virtual]]> 2022-08-12 05:21:39 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614260 https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614264 - how to draw light ray diagram accurately with no mistakes
- virtual images must be drawn w dotted lines
- incident ray is zero degrees = no light ray at all ]]> 2022-08-12 05:21:40 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614264 https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614290 Image must be drawn with dotted lines

Incident ray and angle of incidence are different

Must remember to draw light rays]]> 2022-08-12 05:21:46 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614290 220230_24_2 https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614298 - angle of incidence = angle of reflection
- images have dotted lines
- the incident ray is not the same as the angles of incidence]]> 2022-08-12 05:21:48 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614298 https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614300 1.I learned that if the incident ray is 0 degrees,there is no light at all.
2.When drawing the virtual image, it has to be in dotted lines.
3.The reflected ray, the incident ray and the normal lie on the same plane.]]> 2022-08-12 05:21:49 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614300 https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614306 I learnt that the reflected ray and normal both lie on the same plane.
Incident ray and angle of incidence or different
Virtual image lines must be drawn dotted]]> 2022-08-12 05:21:50 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614306 https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614333
Characteristcs of an image formed by an image
Laws of reflection
Drawing of light rays]]> 2022-08-12 05:21:55 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614333 https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614334 light travels in a straight line
where images are located]]> 2022-08-12 05:21:55 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614334 https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614336 1) Image must be virtual and drawn with dotted lines
2) Reflected ray is equal to incidence ray
3) Incidence ray, reflected ray and normal lie on the same plane]]> 2022-08-12 05:21:55 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614336 https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614357 1- drawing light rays]]> 2022-08-12 05:21:59 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614357 https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614389 2022-08-12 05:22:05 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614389 https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614421

learnt about the laws of reflection

the image of objects need to be virtual

how to calculate the angle of reflaction and the angle of incidence

]]> 2022-08-12 05:22:06 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614421 https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614434 1. Virtual image must drawn using dotted lines.
2. We must differentiate between angle of incidence and incident ray.
3. There will be no light ray formed if incident ray is 0 degrees.]]> 2022-08-12 05:22:09 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614434 https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614439 the image in the mirror has to be virtual 
must draw all rays if they ask which one is correct
laws of reflection

]]> 2022-08-12 05:22:09 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614439 https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614473 1. characteristic of virtual image 
2. how to draw the reflected ray properly and what to take note of ]]> 2022-08-12 05:22:15 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614473 https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614474 draw light rays more accurately]]> 2022-08-12 05:22:15 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614474 https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614480 Drawing the ray diagram correctly]]> 2022-08-12 05:22:16 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614480 https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614491 make sure the virtual image is drawn w dotted lines ]]> 2022-08-12 05:22:17 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614491 https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614507 When stating the points that the eye we must draw the full triangle
Virtual images must be dotted
How to find the angle of incidence and reflection]]> 2022-08-12 05:22:21 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614507 https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614526 1. The image should be virtual and should be drawn with dotted lines. 
2. I managed to recap about the concepts in Refraction. 
3. I learnt that light travels faster in a medium that is less dense. ]]> 2022-08-12 05:22:25 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614526 https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614529 Drawing of virtual rays
Characteristics of images]]> 2022-08-12 05:22:25 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614529 https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614560 1. I learned that an image must be virtual
2. I learnt that if the incident ray is 0 there is no light
3. When you look into an object, you only see the image of an object, not the object]]> 2022-08-12 05:22:32 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614560 220230_24_2 https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614573 use a ruler to draw light rays]]> 2022-08-12 05:22:34 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614573 https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614574 1. the angle or incidence, the angle of reflection and the normal all lie on the same plane
2. image of the object is always virtual
3. the light ray will bend towards the normal when entering a medium that is more optically dense.]]> 2022-08-12 05:22:35 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614574 https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614615 Read my questions more carefully]]> 2022-08-12 05:22:40 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614615 https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614616 Ensure I distinguish virtual rays]]> 2022-08-12 05:22:40 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614616 https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614617 1.How to draw the ray diagram
2.Characteristics of a virtual image]]> 2022-08-12 05:22:41 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614617 https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614653 i will draw the image with dotted lines ]]> 2022-08-12 05:22:45 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614653 https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614654 1. How to draw a virtual image
2. Difference between angle of incidence and incident ray]]> 2022-08-12 05:22:45 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614654 https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614678 1. more optically dense = light ray move away from normal
2. image is always virtual
3. reflection of image to eye is alw on a straight line]]> 2022-08-12 05:22:48 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614678 https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614693 observe the questions and diagrams more carefully before answering.]]> 2022-08-12 05:22:52 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614693 https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614724 1. Drawing of virtual image]]> 2022-08-12 05:22:59 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614724 https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614729 1. Image must be virtual
2. Incident ray and angle of incidence ray id different
3. Distinguish virtual and real]]> 2022-08-12 05:23:02 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614729 https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614733 To draw the ray diagram properly]]> 2022-08-12 05:23:02 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614733 https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614807 1. when the angle of incidence is 0, the ray of light will pass through straight
2. when the light ray travels from an optically less dense to an optically more dense medium, the light ray slows down and bends towards the normal
3. when the light ray travels from an optically more dense to an optically less dense, the light ray speeds up and bends away from the normal]]> 2022-08-12 05:23:13 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614807 https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614895 1. drawing of light rays
2. drawing of ray diagram]]> 2022-08-12 05:23:30 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614895 https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614910 the characteristics of a virtual image
how to draw ray diagram ]]> 2022-08-12 05:23:33 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614910 https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614958 1. draw image virtually]]> 2022-08-12 05:23:41 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259614958 teowsijia https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259615032 1. I learnt that images must be virtual and thus, drawn with dotted lines
2. The virtual ray from the image to the eye must be a straight line.
3. I learnt the about laws of refraction.]]> 2022-08-12 05:23:46 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259615032 https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259615068

light passes straight through only when mediums have similar optical density

we only see the image of the object during refraction

]]> 2022-08-12 05:23:50 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259615068 preetha_konar https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259615086 1) The image of an object should be virtual, have dotted lines.
2)When the angle of incidence is 0 degrees, there is no light ray.
3)read the question properly.]]> 2022-08-12 05:23:53 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259615086 https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259615194

read the question properly

]]> 2022-08-12 05:24:05 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259615194 preetha_konar https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259615340 how to deal with substances with different densities  and characteristics of the image.]]> 2022-08-12 05:24:32 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259615340 teowsijia https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259615411 1. The definition of refraction
2. Images must always be drawn with dotted lines]]> 2022-08-12 05:24:45 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259615411 preetha_konar https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259615774 1) read properly with my eyes]]> 2022-08-12 05:25:35 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259615774 teowsijia https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259615795 I will be more cautious when reading ray diagrams, especially when the image is not drawn to be virtual.]]> 2022-08-12 05:25:37 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259615795 https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259627890 1. I learnt that the virtual image should be drawn in dotted lines. 
2. I learnt that when the angle of incidence is zero degrees, there is no bending of light between two boundaries of different optical densities. ]]> 2022-08-12 05:58:21 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259627890 https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259628506 I will pay more attention when drawing the ray diagrams for refraction. ]]> 2022-08-12 05:59:52 UTC https://padlet.com/joanne_ang/mpik1mo7t75kxrej/wish/2259628506