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प्रश्न
An object AB is placed in front of a convex lens as shown in fig. 4. Complete the ray diagram and obtain the image formed and state the nature of the image.
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उत्तर
Nature of image: Real, inverted and magnified.
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संबंधित प्रश्न
Define the term dispersion of white light.
What will happen if another similar glass prism is placed upside down behind the first prism?
A beam of white light falls on a glass prism. The colour of light which undergoes the least bending on passing through the glass prism is:
(a) violet
(b) red
(c) green
(d) blue
The diagram below shows the path taken by a narrow beam of yellow monochromatic light passing through an equiangular glass prism. If the yellow light is replaced by a narrow beam of white light incident at the same angle, draw another diagram to show the passage of white light through the prism and label it to show the effect of prism on the white light.
What conclusion do you draw about the nature of white light in part (b)?
The frequency range of visible light is from 3.75 × 1014 Hz to 7.5 × 1014 Hz. Calculate its wavelength range. Take speed of light = 3 × 108 m/s.
Complete the ray diagram given below to show the nature of light produced on the screen.
The completed ray diagram is as shown below:
The phenomenon of splitting of light into its component colours is ___________ .
Suggest one way, in each case, by which we can detect the presence of Infrared radiations.
State the colour which bends:
- The most.
- The least while passing through a glass prism.
