Q.1.
THE CENTRES, OF THE 2 SPHERES OF WHICH THE 2 SURFACES OF THE GIVEN LENS, ARE A PART IS KNOWN AS...........
Q.2.
Light is unable to pass through ________________ objects
Q.3.
Light is able to pass through __________________ materials
Q.4.
We are able to see the moon because it ____________
Q.5.
THE INITIAL RAY, FALLING ON A GLASS SLAB, IS KNOWN AS THE........
Q.6.
WHEN A RAY OF LIGHT, PROPAGATING IN 1 TRANSPARENT MEDIUM, ENTERS ANOTHER TRANSPARENT MEDIUM, IT IS OBSERVED TO...........
Q.7.
THE DISTANCE BETWEEN THE OPTICAL CENTRE AND PRINCIPAL FOCUS OF THE LENS IS KNOWN AS.........
Q.8.
THE RADII OF THE 2 SPHERES, OF WHICH THE LENS SURFACES ARE A PART OF..................
Q.9.
THE PHYSICAL QUANTITY WHICH IS AN INDICATOR OF THE SPEED OF LIGHT THROUGH A GIVEN MEDIUM IS KNOWN AS.......
Q.10.
A TRANSPARENT MEDIUM, BOUNDED BY 2 SURFACES, OH WHICH AT LEAST 1 IS SPHERICAL IS KNOWN AS.......