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प्रश्न
A student has to trace the path of a ray of light through a glass prism. List four precautions he should observe for better results.
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उत्तर
Precautions to be observed to trace the path of a ray of light through a glass prism:
1. Make sure the prism taken is polished and not broken.
2. Make sure to look at the image through the proper eye level through the prism.
3. Sharp lines need to be drawn so that proper results can be observed.
4. The angle of incidence ideally should be 45o for a better outcome.
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संबंधित प्रश्न
Draw a ray diagram to explain the term angle of deviation.
Fill in the blank with suitable word:
When a ray of light enters a prism, it bends ................ the normal ; as it leaves the prism, it bends ................. the normal.
Which of the following colour of white light is least deviated by the prism?
(a) green
(b) violet
(c) indigo
(d) yellow
State two uses of ultraviolet radiation.
Write the range of wavelength of the infrared spectrum.
Suggest one way, in each case, by which we can detect the presence of Infrared radiations.
In the figure, a beam of light consisting of three colours blue, red, and yellow is incident on a prism and on a rectangular glass block respectively. Complete the diagram by drawings of the refracted and emergent rays.
The splitting of white light in to seven colors is called ______.
Curved mirrors have surfaces that are spherical, cylindrical, parabolic, and ellipsoid.
State True or False:
"Wavelength of red light is close to 700 nm.”
