Question Text
Question 1 :
The colour are characterised by which of following character of light.
Question 3 :
Due to which phenomena the combination of red, green and blue forms the same white colour<br>
Question 7 :
Which of the following light color component is not present in thewhite light ?
Question 8 :
Why do we study the Dispersion phenomenon using a glass prism and not a glass slab ?
Question 10 :
State whether the following statement is True or False. <br/>A concave lens is a divergent lens and is used in projectors
Question 11 :
Splitting of light into its constituent colours is known as :<br/>
Question 14 :
The band spectra (characteristic of molecular species) is due to emission of radiation
Question 15 :
When a drop of water is introduced between the glass plate and plano-convex lens in Newton's rings system, the ring system<br>
Question 20 :
The phenomenon due to which light splits up into seven colours, on passing through an equilateral prism is called :
Question 21 :
A lens behaves as a converging lens in air and as a diverging lens in water. The refractive index of the material is
Question 23 :
The locus of a point which moves so that its distance from x-axis is double of its distance from y-axis is
Question 24 :
Assertion: The size of the mirror affect the nature of the image.
Reason: Small mirrors always form a virtual image.
Question 25 :
Which of the following colours of light undergoes the least deviation while passing through a glass prism ?