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Define Baron von Münchausen and Intergalactic Travel?
Recently get archives of the late Baron von Münchausen brought to light some unpublished scientific papers. In one of them his computation indicated that the Sun's energy would one day be exhausted, with the subsequent freezing of the Earth and its inhabitants. In order to ward off this inevitable outcome he proposed the construction of a large rigid balloon empty of all gases 1 km in radius and attached to the Earth by a long light rope of extreme tensile strength.
The Earth would be propelled by space to the nearest star by means of the Archimedes' force on the balloon, Transmitted by the rope to the large staple embedded in suitable bedrock. Estimate the force on the rope assuming a massless balloon. Discuss the feasibility of the Baron's idea without using any general statements.
12 joule of work has to be completed against an existing electric field to take a charge of 0.01 C from A and B. How much is the potential difference VB-VA.
what is dead time.
Three coils each having resistance 3 Ω and inductive reactance 4Ω are linked (i) instar and (ii) in delta to a 415V, 3-phase supply. Calculate for each connection (a)
Magnetic susceptibility of copper is 0.5 Calculate the magnetic moment per unit volume of copper, when it is subjected to a magnetic field of G. If the material is in the crystalli
Q. What is Maser? Give the principle of it. 1) The term MASER for Microwave Amplification through Stimulated Emission of Radiation. 2) The working of maser is similar to th
A pair of speakers separated by 0.700 m are driven by the same oscillator at a frequency of 688 Hz. An observer, originally positioned at one of the speakers, begins to walk along
It is a method of depositing a thin layer of one metal over one more metal by the method of electrolysis. The articles of cheap solids are coated with valuable metals like silver a
What are the three particles that make up an atom? Atoms are made up of electrons, protons, and neutrons. The protons and neutrons are found together in the core of the atom, k
comparison of magnetic moments using an vibrational magnetometer
Q. Write any three applications of laser in industry. Industrial applications (i) The laser beam is utilized to drill extremely fine holes in diamonds hard sheets etc.
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