Advertisements
Advertisements
प्रश्न
Complete the ray diagram given below to show the nature of light produced on the screen.
The completed ray diagram is as shown below:
Advertisements
उत्तर
Explanation:
-
A beam of white light enters the first glass prism A.
-
It gets dispersed into its constituent colors, mainly Violet (V) and Red (R) shown here.
-
This is called dispersion of light.
Then, these separated colors pass through a second identical prism B, which is placed in the inverted position compared to A. The second prism recombines the colors back into white light. So, the light coming out of prism B and reaching the screen is white light again.
APPEARS IN
संबंधित प्रश्न
Draw a ray diagram to explain the term angle of deviation.
Draw a ray diagram to show the dispersion of white light.
As light rays pass from air into a glass prism, are they refracted towards or away from the normal?
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?
Make the correct choice for each of the following:
Which one of the following Fig correctly shows the path of the ray through the glass block?
What is the cause of the dispersion of white light through a glass prism? Draw a ray diagram to show the path of light when two identical glass prisms are arranged together in an inverted position with respect to each other and a narrow beam of white light is allowed to fall obliquely on one of the faces of the prisms.
How can the presence of ultraviolet radiation be detected?
Say TRUE or FALSE
After passing through a prism, white light splits into a band of seven colours
In the following diagram showing dispersion of white light by a glass prism, the colours 'P' and 'Q’ respectively are:
State the colour which bends:
- The most.
- The least while passing through a glass prism.
