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Optics
calculate the maximum wavelength of microwave radiation that will absorbed at 0k in
a)pb,Tc=7.19k
b)Al,Tc=1.2k
a)pb,Tc=7.19k
b)Al,Tc=1.2k
Optics
Describe young's double slit interference in detail and hencederive an expression for intensity of light at a point p on the screen making an angle q with the central axis.
Optics
the main scale of vernier has 10 divisions in a centimeter and 10 vernier scale divisions coincide with 9 main scale divisions.calculate1) pitch 2)L.c of vernier caliperse
Optics
what is the meaning of opaque object
Optics
The sun subtends an angle a half a degree at the pole of a concave mirror which has a radius of curvature of 15 m.Then the size(diameter) of the image of the sun formed by the concave mirror is :
a) 3.5 cm
b) 13.1 cm
c) 7.5 cm
d) 6.55 cm
a) 3.5 cm
b) 13.1 cm
c) 7.5 cm
d) 6.55 cm
Optics
an object is placed in front of a symmetrical convex lens of with refractive index 1.5 and radius of curvature 40 cm . the surface of the lens further away from the object is silvered.under auto collimation condition, the object distance is
Optics
A convex mirror has a radius of 20cm. An object is placed 30 cm in front of the mirror. Determine where the image will appear?
Optics
to get a greater and clear image at what distance lens should be placed from the object
Optics
Light is a electromagnetic 'wave' then why it appears in straight line instead of appearing as a wave
Optics
A water wave has a speed of 23.0 meters/second. If the wave’s frequency is 0.0680 hertz, what is the wavelength?
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#333702 on Dec 2022
#333702 on Dec 2022