When a light ray passes obliquely through the atmosphere in an upward direction how does its path generally change?
Download our app for free and get started
When light travels from one medium to another it changes its direction because of refraction. The direction only changes if the speed of light changes too. Thus when light travels from a dense to a rare medium, it's path will deviate from the normal path.
Download our appand get started for free
Experience the future of education. Simply download our apps or reach out to us for more information. Let's shape the future of learning together!No signup needed.*
Similar Questions
- 1View SolutionFive persons A, B, C, D and E have diabetes, leukaemia, asthma, meningitis and hepatitis, respectively.
- Which of these persons can donate eyes?
- Which of these persons cannot donate eyes?
- 2View SolutionHow many colours are there in a full spectrum of white light? Write the various colours of spectrum in the order, starting with red.
- 3View SolutionA person can read a book clearly only if he holds it at an arm's length from him. Name the defect of vision:
- If the person is an old man.
- If the person is a young man.
- 4View SolutionGive the relationship between the wavelength of light and its angle of deviation, when it is passed through a prism.
- 5View SolutionExplain why, when it is getting dark at night, it is impossible to make out the colour of cars on the road.
- 6View SolutionWhat will happen if another similar glass prism is placed upside down behind the first prism?
- 7View SolutionA person needs a lens of power, -5.5 dioptres for correcting his distant vision. For correcting his near vision, he needs a lens of power, +1.5 dioptres. What is the focal length of the lens required for correcting
- Distant vision, and
- Near vision?
- 8View SolutionA person needs a lens of power –5.5 dioptres for correcting his distant vision. For correcting his near vision he needs a lens of power +1.5 dioptre. What is the focal length of the lens required for correcting (i) distant vision, and (ii) near vision?
- 9View SolutionName the part of the eye where the image is formed by the eye lens. What is the nature of the image formed? How is this image sent to the brain?
- 10View SolutionExplain why the planets do not twinkle but the stars twinkle.