- #1
Mr_Fluffykins
- 3
- 0
In my first two of weeks we covered most of the light unit, and i was sick(in class, but coulnd't focus or abosrb information) and now i am at the end of the unit with this due tomoro and i do not understand how to do any,
I need to learn how to do this, I can't understand most of it right now, i need to learn so i can pass the unit test.
Please help me
3.Although red means "stop" and green means "go" red light actually travels faster then green light. What does this indicate about:
A) the relative indices of refraction for red and green light in glass
B) the angles of refraction for each colour, for the same angle of incidence
4. A ray of light in air, with an incident angle of 40(degrees), has an angle of refraction of 20(degrees in "goop". If the light travels from "goop" to air, with an incident angle of 35(degree), determine th angle of refraction.
5.After taking grade 11 physics, a student throws a loonie into a pool late one night in order to demonstrate refraction to his friends. the loonie sits on the bottom of the rool under 2.4 m of water and 2.0 m from the edge of the rool. the pyysics geek directs a flashlight beam over the edge of the pool to illuminate the coin. at what angle relative to the pool wall must the flashlight be aimed?
6.A person's vision in one eye is corrected using a lens with a power of -2.0 d
a) explain what vision defect is being corrected
b)if a 10cm high object is located 75cm from the lens, determine the magnification of the immage.
7. the eyepiece of a compound microscope has a focal length of 20mm, the objective has a focal length of 2mm. the lenses are fixed 175mm apart and the final image is formed 250mm from the eyepiece. determine the distance of the object from the objective lens
8. light strikes a rectangular piece of crown glass with an angle of incidence of 30(degrees). If the block of glass is 10cm , determine the measure of lateral displacement.
Please instruct me how to complete theese problems so i can have this done for tomoro
I need to learn how to do this, I can't understand most of it right now, i need to learn so i can pass the unit test.
Please help me
3.Although red means "stop" and green means "go" red light actually travels faster then green light. What does this indicate about:
A) the relative indices of refraction for red and green light in glass
B) the angles of refraction for each colour, for the same angle of incidence
4. A ray of light in air, with an incident angle of 40(degrees), has an angle of refraction of 20(degrees in "goop". If the light travels from "goop" to air, with an incident angle of 35(degree), determine th angle of refraction.
5.After taking grade 11 physics, a student throws a loonie into a pool late one night in order to demonstrate refraction to his friends. the loonie sits on the bottom of the rool under 2.4 m of water and 2.0 m from the edge of the rool. the pyysics geek directs a flashlight beam over the edge of the pool to illuminate the coin. at what angle relative to the pool wall must the flashlight be aimed?
6.A person's vision in one eye is corrected using a lens with a power of -2.0 d
a) explain what vision defect is being corrected
b)if a 10cm high object is located 75cm from the lens, determine the magnification of the immage.
7. the eyepiece of a compound microscope has a focal length of 20mm, the objective has a focal length of 2mm. the lenses are fixed 175mm apart and the final image is formed 250mm from the eyepiece. determine the distance of the object from the objective lens
8. light strikes a rectangular piece of crown glass with an angle of incidence of 30(degrees). If the block of glass is 10cm , determine the measure of lateral displacement.
Please instruct me how to complete theese problems so i can have this done for tomoro