Q.1.
What form does light travel in?
Q.2.
The far point of a hypermetropic eye is at a finite distance from the eye.
Q.3.
Dispersion of light referred to as________.
Q.4.
Prisms usually have___________ faces.
Q.5.
How the pond appears to be, when it is seen from outside?
Q.6.
The ratios of the speeds of light in a given pair of media gives us________.
Q.7.
THE LINE JOINING THE CENTRES OF CURVATURE OF THE 2 SURFACES OF A LENS IS KNOWN AS ITS...........
Q.8.
Speed of light in a given medium is the indicator of its________.
Q.9.
The broad wavelength range of visible spectrum is-The broad wavelength range of visible spectrum is
Q.10.
For which colour, refractive index of glass is maximum?
Q.11.
When white light enters a glass prism from air, the angle of deviation is least for
Q.12.
The danger signals installed at the top of tall buildings are red in colour. These can be easily seen from a distance because among all other colours, the red light
Q.13.
The deflection of light by minute particles and molecules of the atmosphere in all direction is called ____________ of light.
Q.14.
One cannot see through the fog, because
Q.15.
THE ANGLE, BETWEEN THE INCIDENT RAY AND THE NORMAL AT THE POINT OF INCIDENCE IS KNOWN AS.....
Q.16.
Red light is refracted the least by a glass prism because red light travels the ............ through the glass prism
Q.17.
Violet light is refracted the most by a glass prism as the light travels the ................ through the glass prism.
Q.18.
The dispersion of light is the separation of white light into the spectrum of light, namely red, orange, yellow, green,blue,indigo and violet.
Q.19.
A transparent object that bends light into rainbow colors.
Q.20.
The breaking up of white light into its component .Based on the statement given, name the process that takes place in the white light.