WorksheetsRefraction and dispersion of light quiz two
Total questions: 15
Worksheet time: 8mins
Speed of light in a given medium is the indicator of its________.
Refractive index
Optical density
Dispersion
None of these
What is the relation between refractive index and the optical density?
More refractive index more is the density.
More refractive index less is the density
Less refractive index more is the density
No relation between refractive index and optical density
The ratios of the speeds of light in a given pair of media gives us________.
Absolute refractive index
Relative refractive index
Optical density
None of these
How the pond appears to be, when it is seen from outside?
Seems Deeper
Seems shallower
Seems very deep
No change is there
What is the relation between angle of incidence and angle of refraction when light goes from optically rarer to denser
Angle I is equal to angle r
Angle I is greater than angle r
Angle I is less than angle r
No relation between these angles
What we call the final ray coming out of the glass slab?
Incident ray
Refracted Ray
Reflected ray
Emergent Ray
Prisms usually have___________ faces.
Square
Triangular
Rectangular
Circular
How many colours does the white light consist of?
5
6
7
8
Dispersion of light referred to as________.
Bending of light
Splitting of light in seven colours
Splitting of light in primary colours
Bouncing back of light
What is the reason of splitting of white light?
Change of speed of all colours
Breaking down of colours
Falling obliquely on the surface
Falling on the normal of the surface
Which colour has the maximum speed in the prism?
Violet
Yellow
Orange
Red
Which colour bends the maximum in the prism?
Violet
Indigo
Red
Green
Why the rainbow forms in the nature?
Because of refraction
Because of dispersion
Because of reflection
Because of colours
What we call the portion of a transparent refracting medium bounded by two surfaces?
Glass
Mirror
Lens
Beads
Which spherical lens is also known as converging lens?
Double convex lens
Double concave lens
Plano concave
None of these
