Q1PhysicsUnit 16: Optics
A: Coloured spectrum is seen when we look through a cloth
R: Diffraction of light takes place when light is travelling through the pores of cloth
Physics · JEE
Diffraction due to a single slit, width of central maximum Short Tricks for JEE
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Diffraction due to a single slit, width of central maximum focus drill
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Dimensional check first
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Limiting cases
Substitute extreme values (t→0, m→∞, θ→0) to sanity-check your final expression.
Syllabus context
Part of Optics in JEE Main Physics.
- Reflection of light, spherical mirrors, mirror formula
- Refraction of light at plane and spherical surfaces, thin lens formula and lens maker formula
- Total internal reflection and its applications, magnification, power of a lens, combination of thin lenses in contact
- Refraction of light through a prism, microscope and astronomical telescope (reflecting and refracting) and their magnifying powers
- Wave optics: wavefront and Huygens' Principle, laws of reflection and refraction using Huygens principle
- Interference: Young's double-slit experiment and expression for fringe width, coherent sources and sustained interference of light
- Diffraction due to a single slit, width of central maximum
- Polarization: plane-polarized light, Brewster's law, uses of plane-polarized light and Polaroid
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Q2PhysicsUnit 16: Optics
A microscope is used with sodium light and its resolving power is not sufficiently large.Higher resolution will
be obtained by using wavelength of
Q3PhysicsUnit 16: Optics
The bending of light about corners of an obstacle is called:
Q4PhysicsUnit 16: Optics
The aperture diameter of a telescope is
5 . The separation between the moon and the earth is With light of wavelength of , the minimum separation between objects on the surface of moon, so that they are just
resolved, is close to?
Q5PhysicsUnit 16: Optics
Light of wavelength is incident normally on a slit having a width of
The angular width of the central maximum measured from
minimum to minimum of diffraction
pattern on a screen 9.0 meters away will
be about
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Popular questions in Diffraction due to a single slit, width of central maximum
- A: Coloured spectrum is seen when we look through a cloth R: Diffraction of light takes place when light is travelling t…
- A microscope is used with sodium light and its resolving power is not sufficiently large.Higher resolution will be obtai…
- A: Coloured spectrum is seen when we look through a cloth R: Diffraction of light takes place when light is travelling t…
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