A student is performing an experiment with two triangular glass prisms. He places the first glass prism on its base. The second glass prism is placed upside down behind the first glass prism. When a beam of white light is allowed to fall on the first glass prism, then a patch of ordinary white light is obtained on a screen placed behind the second glass prism. (a) Draw a ray diagram to show the above· arrangement of two glass prisms and the light passing through them. (b) What is the function-of (i) first prism, and (ii) second prism, in this arrangement?
A beam of white light is shone onto a glass prism. The light cannot be :
A beam of white light is incident on a hollow prism of glass. Then
When a beam of white light passes through a glass prism, the colour of light beam that deviates the least is
When a glass prism is placed inside water, its dispersive power______
When a narrow beam while light is passed through a glass prism, the different wavelength travel thorugh the glass at
Fill in the following blanks with suitable words : When a beam of white light is passed through a glass prism, it splits to form lights of __________ colours.
LAKHMIR SINGH & MANJIT KAUR-TEST PAPER 2-Section B
