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प्रश्न
A wave has wavelength 50Å of State the speed in vacuum.
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उत्तर
The speed of the wave will be 3 × 108 m/s in vacuum.
संबंधित प्रश्न
Draw a diagram to show the refraction of light through a glass prism. On this diagram, mark
(i) incident ray
(ii) emergent ray, and
(iii) angle of deviation.
You are given a disc divided into seven sectors with colours violet, indigo, blue, green, yellow, orange and red in them. What would be its colour when it is rotated rapidly?
A ray of white light is passed through a glass prism and a spectrum is obtained on a screen.
- Name the seven colours of the spectrum in order.
- Do the colours have the same width in the spectrum?
- Which of the colour of the spectrum of white light deviates (i) the most, (ii) the least?
In an experiment to trace the path of a ray of light through a triangular glass prism, a student would observe that the emergent ray
(a) is parallel to the incident ray.
(b) is along the same direction of incident ray.
(c) gets deviated and bends towards the thinner part of the prism.
(d) gets deviated and bends towards the thicker part (base) of the prism.
Draw a labeled ray diagram to illustrate the dispersion of a narrow beam of white light when it passes through a glass prism.
A wave has wavelength 50Å of name the wave.
Draw a labelled diagram: Dispersion of light through a prism.
Write the range of wavelength of the visible spectrum.
The phenomena of light involved in the formation of rainbow are ______.
dispersive power of crown glass? Given that µv = 1.5230, µr = 1.5145
