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What is time?
1. This is the question that each true scientist dreads to be asked especially in a public setting by extremely inquisitive young learners. We have learned to calculate and measure it relative to the natural arrangement of known and visible celestial bodies. This is the ultimate queries you ask a theoretical astro physicist if you want to see them shake in their pants.
To this day time can only be explained by the measure of elapsed period using the SI unit, Seconds. It is the only SI unit that is freely permitted to shift depending on subject topic. For instance in Astro physics, to measure distance among galaxies it would be impractical to use seconds as the measure of time it takes light to travel among the two galaxies Time transcends everything known to man up to and containing the universe, time has no beginning or end. Time is constant and infinite and we just tap in and out of it in reference to occurrence of an event.
to derive expreation for magnitude & direction for the resultant which two are acting at a point
Bronze: Copper when alloyed with tin (8% to 16%) and a very small percentage of a third element like cadmium, beryllium, phosphorous, silicon etc, is called Bronze. Bronzes are gi
The heat-rejection system for a condenser of a steam power plant is to be designed for minimum first plus pumping cost. The heat-rejection rate from the condenser is 14MW. The foll
Electric Potential: Electric Potential verifies the flow of charge. Its unit is volt, represented as "v".
Q. What are non-polar molecules? Give an example. i) A non-polar molecule is one in that the centre of gravity of the positive charges coincides with the centre of gravity of
Production of sound messages by a microphone in a radio station (studio). 1) Audio frequency generation. 2) Generation of r.f. carrier wave. 3) Modulation in a transmitter, b) 4
It appears the intensity will be maximized at that positions where path dissimilarity is an integral multiple of wavelength these points are called as points of constructive inter
Pressurized Water Nuclear Reactor There are two categories of nuclear reactors. The Pressurized Water Reactor (PWR) and the Boiling water reactor (BWR). Pressurized Water React
A student sits on a stool holding a 5.0-kg dumbbell in both hands. He extends his arms such that each dumbbell is 0.60 m from the axis of rotation. The student's moment of
true or false. All radioactive elements have been synthesized
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