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Science
Dispersion Of Light
Quiz 3
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Q.1
THE CENTRES, OF THE 2 SPHERES OF WHICH THE 2 SURFACES OF THE GIVEN LENS, ARE A PART IS KNOWN AS...........
CENTRES OF PRINCIPLE
CENTRES OF RADII
CENTRES OF CURVATURE
CENTRES OF LENS
Q.2
Light is unable to pass through ________________ objects
opaque
coloured
blunt
dark
Q.3
Light is able to pass through __________________ materials
transparent
shiny
dull
opaque
Q.4
We are able to see the moon because it ____________
gives out light
glows
reflects light from the sun
reflects light from the earth
Q.5
THE INITIAL RAY, FALLING ON A GLASS SLAB, IS KNOWN AS THE........
INCIDENT RAY
REFRACTED RAY
EMERGENT RAY
QUESTION IS WRONG
Q.6
WHEN A RAY OF LIGHT, PROPAGATING IN 1 TRANSPARENT MEDIUM, ENTERS ANOTHER TRANSPARENT MEDIUM, IT IS OBSERVED TO...........
REFRACTION OF LIGHT
CONCAVE LENS
CONVEX LENS
REFLECTION
Q.7
THE DISTANCE BETWEEN THE OPTICAL CENTRE AND PRINCIPAL FOCUS OF THE LENS IS KNOWN AS.........
CONCAVE LENS
CONVEX LENS
GLASS PRISM
LENS
Q.8
THE RADII OF THE 2 SPHERES, OF WHICH THE LENS SURFACES ARE A PART OF..................
RADII
RADII OF LENS
RADII OF PRINCIPLE
RADII OF CURVATURE
Q.9
THE PHYSICAL QUANTITY WHICH IS AN INDICATOR OF THE SPEED OF LIGHT THROUGH A GIVEN MEDIUM IS KNOWN AS.......
OPTICAL CENTRE
OPTICAL DENSITY
PRINCIPAL AXIS
LENS
Q.10
A TRANSPARENT MEDIUM, BOUNDED BY 2 SURFACES, OH WHICH AT LEAST 1 IS SPHERICAL IS KNOWN AS.......
FOCAL LENGTH
LENS
GLASS PRISM
CONVEX LENS
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