Question:
Yellow light is used in a single slit diffraction experiment
with slit width of 0.6 mm. If yellow light is replaced by
X-rays, then the observed pattern will reveal
Yellow light is used in a single slit diffraction experiment
with slit width of 0.6 mm. If yellow light is replaced by
X-rays, then the observed pattern will reveal
Updated On: Jun 14, 2022
- that the central maximum is narrower
- more number of fringes
- less number of fringes
- no diffraction pattern
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The Correct Option is D
Solution and Explanation
Diffraction is obtained when the slit width is of the order of
wavelength of light (or any electromagnetic wave) used.
Here, wavelength of X-rays (1-100 A) << slit width
(0.6 mm). Therefore, no diffraction pattern will be observed.
wavelength of light (or any electromagnetic wave) used.
Here, wavelength of X-rays (1-100 A) << slit width
(0.6 mm). Therefore, no diffraction pattern will be observed.
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Concepts Used:
Reflection of Light
When a light ray falls on any object, it is bounced back from the object. This process is known as the Reflection of light. The light reflected from the object falls into our eyes, making the object visible to us. All the things we see around us are because of reflection.
The reflection of light depends on the type of object. A polished or smooth surface reflects most of the light falling on it, while a rough surface absorbs some amount of light and reflects back the rest of the light. The direction of reflected rays depends upon the surface of the object.