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Longitudinal Waves and Guitar Strings
According to the diagram this pressure wave consists of rarefactions and compressions. The compressions are regions of high pressure, whereas the air molecules are compressed within a small region of space. The rarefactions are regions of low pressure, while the air molecules are spread apart. This alternating pattern of compressions and rarefactions is called as a sound wave.
Q. Illustrate the Newton s laws of motion? Answer:- 1. A body at rest will stay at rest and one in motion will remain in motion until and unless acted upon by an external
describe the principle, construction and working of Michelson Interferometer.
How many types of fibers are there? There is truly only one fiber optic. The word "fiber optics" applies really to a stem of light physics dealing along with the properties of
A car travelling at 21 m/s misses the turnoff on the road and collides into the safety guard rail. The car comes to a totally stop in 0.55 s. a. What is the average accel
CENTRE OF GRAVITY: Consider a body as an accumulation of many small masses (molecules), all subject to gravitational attraction. The total weight, which is a force , is
Describe about Helium-Neon Laser in short. Helium-Neon Laser: The first gas laser termed as Helium-Neon (He-Ne) laser (one of the illustrations for four level lasers) was co
These capacitors are used as tuning capacitors in radio receivers. The two requirements of these capacitors are: (1) Frequency stability (2) Preventing micro
If the refractive index of a medium is 1.5, determine the critical angle. Write the difference between telescope and microscope.
population inversion The process in which the number of electrons (N 2 ) in a higher energy state called ‘metastable state of an active medium is increased to a value greate
The following three impedances are connected in series across a 40V, 20kHz supply: (i) a resistance of 8, (ii) a coil of inductance 130µHand5 resistance, and (iii) a 10 r
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