Transmission of Light
Physics ⇒ Light and Optics
Transmission of Light starts at 8 and continues till grade 12.
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See sample questions for grade 11
A beam of white light passes through a colored filter. What happens to the transmitted light?
A ray of light passes from air (n=1.00) into glass (n=1.50) at an angle of 30° to the normal. Calculate the angle of refraction in the glass. (Use Snell's Law: n1sinθ1 = n2sinθ2)
A student shines a laser through a block of acrylic. The light bends towards the normal. What does this indicate about the speed of light in acrylic compared to air?
Calculate the speed of light in water if its refractive index is 1.33. (Speed of light in vacuum = 3.00 × 108 m/s)
Define the term 'refractive index'.
Describe what happens to a beam of light as it passes through a prism.
Describe what happens to the path of light when it passes from a less dense to a more dense medium at an angle.
Explain why a piece of black paper appears black when light is incident on it.
Explain why objects appear bent when partially immersed in water.
Explain why sunglasses are often made with polarized lenses.
Explain why the sky appears blue during the day in terms of light transmission and scattering.
If a material absorbs all the light that falls on it, what color does it appear?
If the refractive index of a medium is 1.5, what fraction of the speed of light in vacuum is the speed of light in this medium?
If the refractive index of water is 1.33, what does this value represent?
What happens to the intensity of light as it passes through a thick piece of tinted glass?
What is meant by the transmission of light?
What is the main difference between transparent and translucent materials?
