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10 questions
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- 1. Multiple-choice30 seconds1 pt
A TRANSPARENT MEDIUM, BOUNDED BY 2 SURFACES, OH WHICH AT LEAST 1 IS SPHERICAL IS KNOWN AS.......
FOCAL LENGTH
LENS
GLASS PRISM
CONVEX LENS
- 2. Multiple-choice30 seconds1 pt
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
- 3. Multiple-choice30 seconds1 pt
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
- 4. Multiple-choice30 seconds1 pt
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
- 5. Multiple-choice30 seconds1 pt
THE DISTANCE BETWEEN THE OPTICAL CENTRE AND PRINCIPAL FOCUS OF THE LENS IS KNOWN AS.........
CONCAVE LENS
CONVEX LENS
GLASS PRISM
LENS
- 6. Multiple-choice30 seconds1 pt
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
- 7. Multiple-choice30 seconds1 pt
A PRISM IS A PIECE OF A TRANSPARENT MATERIAL BOUNDED BY 2 PLANE SURFACES INCLINED AT AN ANGLE
TRUE
FALSE
- 8. Multiple-choice30 seconds1 pt
THE INITIAL RAY, FALLING ON A GLASS SLAB, IS KNOWN AS THE........
INCIDENT RAY
REFRACTED RAY
EMERGENT RAY
QUESTION IS WRONG
- 9. Multiple-choice30 seconds1 pt
THE ANGLE, BETWEEN THE INCIDENT RAY AND THE NORMAL AT THE POINT OF INCIDENCE IS KNOWN AS.....
ANGLE OF INCIDENCE
ANGLE OF REFRACTION
PRISM
LENS
- 10. Multiple-choice30 seconds1 pt
THE LINE JOINING THE CENTRES OF CURVATURE OF THE 2 SURFACES OF A LENS IS KNOWN AS ITS...........
OPTICAL CENTRE
OPTICAL DENSER
PRINCIPAL AXIS
RADII
