Unit.2.Optics Fill UPS
25 Questions
| Attempts: 145
Fillups 25 Questions. Time 25 minutes
Questions and Answers
- 1.
Light is a form of energy which travels in the form of ________.
- 2.
Some of the sources emit their own light are called as ________ objects.
- 3.
Light always travels along a ________ line
- 4.
Light does not need any medium for its propagation. It can even travel through ________.
- 5.
Among the visible light, ________ light has the lowest wavelength and ________ light has the highest wavelength.
- 6.
Second law of refraction is also known as ________law.
- 7.
When light travels from a________ medium into a ________ medium, the refracted ray is bent away from the normal drawn to the interface.
- 8.
When light travels from a ________ medium into a ________ medium, the refracted ray is bent towards the normal drawn to the interface.
- 9.
________ is the fundamental and natural source of light.
- 10.
If a source of light produces a light of single colour, it is known as a ________ source
- 11.
When a beam of white light or composite light is refracted through any transparent media such as glass or water, it is split into its component colours. This phenomenon is called as ‘________’.
- 12.
The band of colours is termed as spectrum.These colours are represented by the acronym “________”.
- 13.
Angle of refraction is the smallest for ________ and the highest for ________.
- 14.
In ________ phenomenon, the beam of light is redirected in all directions when it interacts with a particle of medium.
- 15.
If the energy of the incident beam of light and the scattered beam of light are ________, then it is called as ‘elastic scattering’.
- 16.
If the energy of the incident beam of light and the scattered beam of light are ________, then it is called as ‘inelastic scattering’.
- 17.
Rayleigh’s scattering law states that, “The amount of scattering of light is ________ proportional to the ________ power of its wavelength”.
- 18.
According to Rayleigh's law, the ________ wavelength colours are scattered much more than the ________ wavelength colours.
- 19.
In Mie scattering the amount of scattering is independent of ________.
- 20.
________ scattering is responsible for the white appearance of the clouds
- 21.
The scattering of light rays by the ________ particles in the colloidal solution is called Tyndall Scattering or Tyndall Effect.
- 22.
Convex lenses are used to correct the defect of vision called ________.
- 23.
________ lenses are used to correct the defect of vision called ‘myopia'.
- 24.
If the magnification is greater than 1, then we get an ________ image. On the other hand,if the magnification is less than 1, then we get a ________ image.
- 25.
The lens formula relates the ________ of a lens with the distance of object and image.
Quiz Review Timeline +
Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.
-
Current Version
-
Mar 22, 2022Quiz Edited by
ProProfs Editorial Team -
May 11, 2020Quiz Created by
Science Science
JoJo's Bizarre Adventure: Which JoJo Stand Do You Have?
JoJo's Bizarre Adventure: Which JoJo Stand Do You Have?
Simple Present Tense Quiz: Learn and Test Your Skills
Simple Present Tense Quiz: Learn and Test Your Skills
Back to top