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प्रश्न
Answer the following question.
Which phenomena can be satisfactorily explained using ray optics?
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उत्तर
Ray optics or geometrical optics: Ray optics can be used for understanding phenomena like reflection, refraction, double refraction, total internal reflection, etc.
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संबंधित प्रश्न
Choose the correct option.
Consider the optically denser lenses P, Q, R, and S drawn below. According to the Cartesian sign convention which of these have a positive focal length?
Answer the following question.
State the assumptions on which ray optics is based.
A light beam is incident at an angle twice the angle of refraction. The angle of refraction is ______.
If a lens is cut into two pieces perpendicular to the principal axis and only one part is used, the intensity of the image will be ____________.
When a ray of light enters a medium of refractive index µ, then it is observed that the angle of refraction is half the angle of incidence. The value of angle of incidence will be ____________.
An ice cube has a bubble inside. When viewed from one side the apparent distance of the bubble is 12 cm. When viewed from the opposite side, the apparent distance of the bubble is observed as 4 cm. If the side of the ice cube is 24 cm, the refractive index of the ice cube is ______.
