Question : White light is an example of:
Option 1: LASER light
Option 2: Plane polarised light
Option 3: Monochromatic light
Option 4: Polychromatic light
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Correct Answer: Polychromatic light
Solution : The correct option is Polychromatic light.
One type of Polychromatic light is white light. Polychromatic light combines a variety of hues and wavelengths. All of the observable colours in the spectrum—red, orange, yellow, green, blue, indigo, and violet—combine to form white light. White light is produced when these hues are mixed in about equal proportions.
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Question : The laser is a beam of radiation which are
Option 1: non-coherent and monochromatic
Option 2: coherent and monochromatic
Option 3: non-coherent and non-monochromatic
Option 4: coherent and non-monochromatic
Question : Directions: In the following question, arrange the following words as per their order in the dictionary. 1. Plate 2. Plane 3. Plaster 4. Plasma 5. Plastic
Option 1: 2, 1, 5, 3, 4
Option 2: 1, 2, 3, 4, 5
Option 3: 2, 5, 3, 4, 1
Option 4: 2, 4, 3, 5, 1
Question : In diffraction of white light by a prism, which colour of light from VIBGYOR will be bent most?
Option 1: Red
Option 2: Yellow
Option 3: Green
Option 4: Violet
Question : Which of these waves can be polarised?
Option 1: Sound waves in the air
Option 2: Longitudinal waves on a string
Option 3: Transverse waves on a string
Option 4: Light waves
Question : The redness in the atmosphere at Sunrise and Sunset is due to:
Option 1: Refraction of light
Option 2: Reflection of light
Option 3: Dispersion of light
Option 4: Scattering of light
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