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प्रश्न
Draw a diagram, properly labelled, to illustrate the use of a total reflecting prism (a right-angled isosceles prism) to turn a ray of light through 180°. Name an instrument in which this device is used.
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उत्तर
The diagram is shown below. This device is used in binoculars.
संबंधित प्रश्न
A light ray does not bend at the boundary in passing from one medium to the other medium if the angle of incident is ______.
Name two factors which affect the critical angle for a given pair of media. State how do the factors affect it.
Plot a graph between
Angle of incidence versus angle of refraction.
How does a ray of light bend when it travels from denser to rarer medium.
Choose the correct option.
Select the WRONG statement.
Observe the given figure and write appropriate phenomenon of light in the box.
Total internal reflection can take place only if light is travelling from ______.
Which of the following statements about total internal reflection is true?
Optical Fibres are based on the phenomenon of dispersion.
Find the value of θ in the given figure.
