Define Machs principle
Mach's principle (E. Mach; c. 1870): The inertia of any specific particle or particles of matter is attributable to the interaction among that piece of matter and the rest of the world. Therefore, a body in isolation would contain no inertia.
Lagrange points: The points in the vicinity of two massive bodies (like the Earth and Moon) with each others' relevant gravities balance. There are five, labeled L1 via L5. L1, L2, and L3 lie all along the centerline among the centers
Paschen series: The series that explains the emission spectrum of hydrogen whenever the electron is jumping to the third orbital. Each and every line is in the infrared part of the spectrum.
Drake equation (F. Drake; 1961): The method of estimating the number of intelligent, scientific species (that is, able to communicate with other species) in subsistence in our space. N
What is Anthropic principle? Explain Weak anthropic principle and Strong anthropic principle? Q : Free fall acceleration What do you mean What do you mean by the term free fall acceleration? State its significance in brief?
What do you mean by the term free fall acceleration? State its significance in brief?
Briefly explain the measure of the force of gravity on the object?
Balmer series (J. Balmer; 1885): An equation that explains the emission spectrum of hydrogen whenever an electron is jumping to the next orbital; four of the lines are in visible spectrum, and the remainder (residue) are in the ultraviolet.
Explain laws of black-hole dynamics or First law of black hole dynamics and Second law of black hole dynamics? Q : What do you understand by term ray What do you understand by term ray casting? Explain briefly?
What do you understand by term ray casting? Explain briefly?
Constancy principle (A. Einstein): One of the postulates of Sir Einstein's special theory of relativity that puts forth that the speed of light in vacuum is computed as similar speed to all observers, in spite of of their relative mot
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