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Refractive Astronomical Telescope:
It is an optical instrument which is used to see heavenly bodies such as stars, moon and planets is known as telescope.
Astronomical telescope having of a long metallic tube of variable length, two converging lens are mounted at its two ends.
Convex lens of large focal length and big aperture is known as objective.
Convex lens of shorter focal length and large aperture is known as eye piece.
Working:
The objective forms a real and inverted image of the object. This image is very small as compared to the object. The eye piece is used as magnifying glass. The final image is inverted and brighter than the object.
The higher power level band is called as the conduction band. (i) It is also called as empty band of minimum energy. (ii) This band is partially filled by the electrons. (
1. Turbulent blood flow in anaemic patients is not uncommon. What blood flow parameters should this turbulence be attributed to and why. 2. Using appropriate mathematical iden
LECTURE NOTES ON ANGULAR VELOCITY
if A=[30.1, 21.4 degrees] and B= [25, 40 degrees] what is the magnitude of the sum of these two vectors
It is the ratio of the internal electric field induced by the charges on the surface on the dielectric when an external field applied to the polarization of the dielectric.
A wave front is a line or surface on which the disturbance has the similar phase at every position. If the source is periodic, it generates a succession of ray front, each of the s
The Stoplight- 1-Dimensional Kinematics A blue car moving at a constant speed of 10 m/s passes a red car which is at rest. This occurs at a stoplight the moment in which the li
what is dielectric polarisation
A forced harmonic oscillator is at resonance with some periodic force. Evaluate the phase difference between the driving force and the velocity of the oscillator?
Energy Transformation on a Roller Coaster A roller coaster ride is a thrilling experience that includes a wealth of physics. Part of the physics of a roller coaster is the phys
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