Advertisements
Advertisements
प्रश्न
Which of the following colour of white light is least deviated by the prism?
(a) green
(b) violet
(c) indigo
(d) yellow
Advertisements
उत्तर
Yellow
Yellow is the colour of white light that is the least deviated by a prism because it has the largest wavelength of the colours given in the alternatives.
APPEARS IN
संबंधित प्रश्न
What is spectrum? What is the name of glass shape used to produce a spectrum?
Make two diagrams to explain refraction and dispersion.
Which is refracted most by a prism : red light or violet light? Explain why?
What are the seven colours seen in a rainbow?
Which of the following colour of white light has the least wavelength?
(a) red
(b) orange
(c) violet
(d) blue
Out of the following, the colour of light having the maximum wavelength is:
(a) violet
(b) indigo
(c) green
(d) orange
The seven colours in the spectrum of sunlight in order, are represented as :
The diagram below shows the path taken by a narrow beam of yellow monochromatic light passing through an equiangular glass prism. If the yellow light is replaced by a narrow beam of white light incident at the same angle, draw another diagram to show the passage of white light through the prism and label it to show the effect of prism on the white light.
In the spectrum of white light by a prism, the colour at the extreme end opposite to the base of prism is ______.
In an experiment to trace the path of a ray of light through a glass prism for different values of angle of incidence a student would find that the emergent ray:
(A) is parallel to the incident ray
(B) perpendicular to the incident ray
(C) is parallel to the refracted ray
(D) bends at an angle to the direction of incident ray
Write the range of wavelength of the infrared spectrum.
Draw a neat and labelled diagram for dispersion of light.
Say TRUE or FALSE
After passing through a prism, white light splits into a band of seven colours
The splitting of white light into its component colours is called ____________.
______ colour is deviated the least in the spectrum of white light obtained with a glass prism.
Observe the given diagram and answer the questions:
- Name the process shown in the figure.
- Name the colour that deviates the most.
- Name the colour that deviates the least.
- Name any one phenomenon in nature which is based on the above process.
- Define ‘spectrum’.
When sunlight passes through water droplets in the atmosphere it gets dispersed into its constituent colours forming a rainbow. A similar phenomenon is observed when white light passes through a prism.
Which colour will show the maximum angle of deviation and which colour will show the minimum angle of deviation?
