Bissoy.com
Doctors Medicines MCQs Q&A

When a white light beam is made to fall on a hollow prism filled with water, it breaks into seven constituent colours. Which of the following colours suffers the maximum angle of deviation?

When a white light beam is made to fall on a hollow prism filled with water, it breaks into seven constituent colours. Which of the following colours suffers the maximum angle of deviation? Correct Answer <span style="">Violet</span>

The Correct Answer is Violet.
Violet color suffers a maximum deviation in a prism.
CONCEPT:

  • The colored pattern obtained on a screen after the dispersion of light is called a spectrum.
  • The dispersion of light is due to different deviation suffered by different colors of light. 
  • The different colors that appeared in the spectrum are in the following order: violet, Indigo, Blue, Green, Yellow, Orange, and red (VIBGYOR).

​​[ alt="F1 J.K 12.6.20 Pallavi D3" src="//storage.googleapis.com/tb-img/production/20/06/F1_J.K_12.6.20_Pallavi_D3.png" style=" height: 185px; width: 300px;">
EXPLANATION:

  • The deviation is maximum for violet color and minimum for the red color of light. 
  • According to the question, blue comes after the violet hence, it deviates the most.
  • An optical prism is a transparent optical substance with flat, polished surfaces that refract light.
  • The different colors that make up white light become separated. 
  • This happens because each color has a particular wavelength and each wavelength bends at a different angle.
  • When a ray of white light is passed through a prism gets split into its constituent colors. This phenomenon is called the dispersion of light. 

Related Questions

Choose the correct relation for a combination of two prisms to be achromatic. (Where for the first prism: μv = refractive index of the medium in violet light, μr = refractive index of the medium in red light A = angle of the prism; For the second prism: μ′v = refractive index of the medium in violet light, μ′r = refractive index of the medium in red light, A’ = angle of prism.)
The moon looks blood red during a total lunar eclipse because some of the sunlight passes through Earth’s atmosphere to reach the moon. As the white light breaks up while passing through the atmosphere, most of its blue-colored wavelengths are absorbed and scattered. The remaining red wavelengths light up the moon in blood-red color. Which of the following statements do not support the assertion of the above-given statement? I: The moon looks blood red during a total lunar eclipse as the white light breaks up due to the Earth's atmosphere where most of its red-colored wavelengths are absorbed. II: The moon looks blood red during a total lunar eclipse as the earth blocks the white light to travel to the moon.
When white light passes through a prism, then it splits into seven colours which are known as the dispersion of light. So after coming out of a prism, which of the colour of light scatters the least?
The minimum deviation is observed with a prism having the angle of prism A, the angle of deviation δ, the angle of incidence i and angle of emergence e. We then have generally
When a beam of white light is allowed to fall on a prism, the maximum deviation of the emerging light occurs for
Consider the following statements with regards to the shear force diagram for the beam ABCD: 1. The beam ABCD is an overhanging beam having supports at A and D only. 2. The beam carries a point load of 20 kN at C. 3. The beam carries a concentrated load of 10 kN at the end B. 4. The beam is an overhanging beam having supports at C and D only. 5. The beam carries a uniformly distributed load of 70 kN over the left hand portion AC only. Which of the above statements are correct?
A crown glass prism with refractive index 6° is to be achromatized for red and blue color light with flint glass prism. What will be the angle of flint glass prism? (µr = 1.513, µr‘ = 1.645, µ2 = 1.523 and µ2‘ = 1.665, Where µr and µ2 are refractive indices of red and blue light respectively whereas, µr‘ and µ2‘ are refractive indices of red and blue light respectively for flint glass.)
A beam of light is allowed to fall on a Nicol Prism. The prism is rotated. If the light gets completely extinguished twice in one rotation, the nature of the light is __________
What is the minimum angle of deviation for a thin prism equal to? ('n21' is refractive index of the material of the prism and 'A' is the angle of the prism)
Consider the following statement regarding changes made by the Indian Independence Act of 1947 in the position of Constituent Assembly. a. The Constituent Assembly was made a fully sovereign body. b. The Constituent Assembly became the first Parliament of free India. c. When the Constituent Assembly met as the Legislative body it was chaired by Dr. Rajendr Prasad. d. The total strength of the Constituent Assembly came down to 299 as against 389.