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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.
An aereplane has velocity 500m/s with respect to air. Wind blows with velocity 20m/s along north. Then in what direction pilot should be heading so as to go along North-east direct
Basic principles of spectrophotometry: An absorbance spectrophotometer is an instrument that measures the fraction of the incident light transmitted through a solution
A glass sphere of radius 15 cm has a small air bubble at a distance of 6 cm from its centre. When viewed normally along its diameter from the nearest side, the bubble seems to be 7
(B) COVALENT BOND: What about reactions between two non metals? Many non metals do bond together. Hydrogen atoms, for instance, frequently react with other hydrogen
The magnetic vector potential in a specific region is a constant vector having magnitude 4πX10 5 units and points along the positive x-axis. What is the magnitude of the magnetic
Q. What are emissive and absorption spectra? Emission spectrum: When the light emitted straight from a source is examined with a spectrometer the emission spectrum is ob
A Rayleigh interferometer (as shown in the figure below) can be used to measure the index of refraction of air. Two transparent tubes (T 1 and T 2 ) are placed behind two slits. O
(i)Most of the alpha-particles pass by the foil straight away undeflected. (ii)Some of them are deflected by small angles. (iii)A few alpha-particles (1 in 1000) are deflecte
Kohlrausch's law (F. Kohlrausch): If a salt is dissolved into water, the conductivity of the solution is the total of two values one based on the positive ions & the other dep
Writing a paper on physics topic, select any of topic of your choice
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