Physics Ray Optics Level: High School
Wave Optics
White light is spread out into its spectral components by a diffraction grating . If the grating has 2000 lines per centimeter , at what angle does red light of wavelength 640 nm appear in the first–order spectrum ?
Physics Ray Optics Level: High School
Wave Optics
At what angle above the horizon is the Sun if light from it is completely polarized upon reflection from water ?
Physics Ray Optics Level: High School
Ray Optics
As per the figure at “click here” give a geometric proof that the virtual image formed by a plane mirror is the same distance behind the mirror as the object is in front of it .
Physics Ray Optics Level: High School
Ray Optics
An object’s distance from a converging lens is ten times the focal length . How far is the image from the local point ? Express the answer as a fraction of the focal length .
Physics Ray Optics Level: High School
Ray Optics
In a church choir loft , two parallel walls are 5.30 m apart . The singers stand against the north wall . The organist faces the south wall , sitting 0.800m away from it . So that she can see the choir , a flat mirror 0.600 m wide is mounted on the south wall , straight in front of the organist . What width of the north wall can she see ?
Physics Ray Optics Level: High School
Ray Optics
Light is incident normally on a 1.00cm layer of water that lies on top of a flat Lucite plate with a thickness of 0.500cm . How much more time is required for light to pass through this double layer than is required to traverse the same distance in air (nLucite = 1.59) ?
Physics Ray Optics Level: High School
Ray Optics
A certain kind of glass has an index of refraction of 1.650 for blue light of wavelength 430 nm and an index of 1.615 for red light of wavelength 680 nm . If a beam containing these two colors is incident at an angle of 30degree on a piece of this glass , what is the angle between the two beams inside the glass ?
Physics Ray Optics Level: High School
Ray Optics
This problem assumes symmetric about rotation and shallow curvature for lenses . Use ray diagrams to justify the answer .Is there only one type of lens that can only make virtual images ?
Any type that can only make real images ?
Any type that always gives magnification greater than one ?
Any type that gives magnification less than one ?
Physics Ray Optics Level: High School
Wave Optics
The interference patterns show are from sending a laser beam through a double slit .(a) suppose both were made with laser light of the same wavelength , but the distance between slits was different . Which pattern was made with wider spacing explain .
(b) Now imagine instead that they both were made with the same slit spacing but with different wavelengths of light . Which one was made with the shorter wavelength of light ? Explain .
Physics Ray Optics Level: High School
Ray Optics
sunlight passes through the layer of ice on the surface of a pond and then onto the liquid water below . In the ice the rays are at an angle of 45 degrees with respect to horizontal , and at the ice-water interface they are deflected down by .9 degrees . The index of refraction of water is 1.333 . What is the index of refraction of ice ?
Physics Ray Optics Level: High School
Wave Optics
A) Consider a horizontal plane of thin film with thickness t . This film is located between air and water . The index of refraction of film is 1.5 and the index of refraction of water is 1.33 . The wavelength of incident wave in the air is lambda and its frequency in air is f = c/lambda. Find the wavelength of the light in the water .B) The frequency of the light in water will decrease , increase or stay the same ?
Physics Ray Optics Level: High School
Wave Optics
A) The slits in a Young”s Interference apparatus are illuminated with monochromatic light of wavelength lambda . The third dark band is y from the central axis . The two slits are d apart and the screen is L away from the slits . We want to calculate the wavelength of the light used . What is y in terms of lambda ., d, and L ?B) Compute the wavelength in this experiment if y = 12.1 mm , L = 139 cm and d = .339 mm . Answer in units of m .
Physics Ray Optics Level: High School
Wave Optics
A) Two slits are illuminated by a 479 nm light . The angle between the zeroth order bright band at the center of the screen and the fourth-order bright band is 21.1 degrees . If the screen is 162 cm from the double slit , how far apart is this bright band from the central peak ?B) What is the distance between the two slits?
Answer in units of mm .
Physics Ray Optics Level: High School
Ray Optics
Two lenses are combined to form a compound lens . One of the lenses has a power of 12.8D and the other has a power of -5.94 D . Find the focal length of the resulting lens . Answer in units of cm .
Physics Ray Optics Level: High School
Ray Optics
A concave mirror has a focal length of 12cm . what is the position of the resulting image if the image is inverted and 3 times smaller than the object ? Answer in units of cm ?