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Questions and Answers
What happens when the angle of incidence is equal to the polarising angle?
What is the ratio of resolving power of an optical microscope for wavelengths 600 nm and 450 nm?
If a point object inside a glass slab appears at distances of 9 cm and 5 cm from the surfaces, what is the thickness of the glass slab?
In a YDSE with bichromatic light using wavelengths 700 nm and 500 nm, what is the minimum order of maxima for 700 nm which overlaps with maxima of 500 nm?
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If a point object is moving with a speed of 10 cm/s in front of a converging lens, what is the speed of the image at that instant?
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Study Notes
Light and Optics
- When the angle of incidence is equal to the polarising angle, the refracted light is polarised.
- The ratio of resolving power of an optical microscope for wavelengths 600 nm and 450 nm is 1.33:1, with the resolving power being directly proportional to the wavelength of light used.
- If a point object inside a glass slab appears at distances of 9 cm and 5 cm from the surfaces, the thickness of the glass slab is 4 cm, calculated using the formula: Thickness = distance from near surface - distance from far surface.
- In a YDSE with bichromatic light using wavelengths 700 nm and 500 nm, the minimum order of maxima for 700 nm which overlaps with maxima of 500 nm is 7, since the path difference for maxima is an integer multiple of the wavelength.
- If a point object is moving with a speed of 10 cm/s in front of a converging lens, the speed of the image at that instant is -10 cm/s, since the image moves in the opposite direction to the object.
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Description
Test your knowledge of polarization and optical microscopes with this physics quiz. Questions cover topics such as polarizing angles, refracted light, resolving power, and wavelengths.
