Consider sunlight incident on a pinhole of width \(10^{3}~\mathring{{A}}\). The image of the pinhole seen on a screen shall be:

(a) a sharp white ring
(b) different from a geometrical image
(c) a diffused central spot, white in colour
(d) diffused coloured region around a sharp central white spot

Choose the correct option from the given ones:

1. (a) and (c) only
2. (a) and (d) only
3. (b) and (d) only
4. (b) and (c) only
Subtopic:  Diffraction |
From NCERT
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Consider sunlight incident on a slit of width \(10^{4}~\mathring{A}.\) The image seen through the slit shall:
1. be a fine sharp slit white in colour at the centre
2. a bright slit white at the centre diffusing to zero intensities at the edges
3. a bright slit white at the centre diffusing to regions of different colours
4. only be a diffused slit white in colour
Subtopic:  Diffraction |
From NCERT
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Consider the diffraction pattern for a small pinhole. As the size of the hole is increased:

(a) the size decreases
(b) the intensity increases
(c) the size increases
(d) the size increases

Choose the correct option from the given ones:
1. (a) and (b) only 2. (a) and (c) only
3. (b) and (d) only 4. (c) and (d) only
Subtopic:  Diffraction |
 58%
From NCERT
To view explanation, please take trial in the course.
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Hints
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