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The process of apparent change in frequency (or wavelength) of the light because of relative motion among the source of light and the observer is known as Doppler's effect.
AVERAGE VELOCITY: The ratio of the total displacement to the total time taken by the body is known as average velocity and represented by V ?av.
Advance of the Perihelion Together along with the deviation of light rays near the Sun the change of the orientation of Mercury's orbit century after century is a single of the
Explain the formation of diffraction pattern due to plane transmission grating. Describe the meaning of missing spectra in the diffraction pattern.
How many significant digits are there in each of the following measurements? a. 100 m 1 b. 0.0023 m/s 2 c. 100.1 m 4 d. 2.0023 5
A pulley in the form of a uniform disk with a heavy rope hanging over it. The circumference of the pulley is 1.2m and its mass is2.2kg.The rope is 8.0m long and its mass is 4.8kg.A
what is semi conductor
The number of unpaired electrons in the Fe2 + ion is: (1) 0 (2) 4 (3) 6 (4)3 Ans: 4
In the case of materials some of the atoms or ions in the material have a net magnetic due to unpaired electrons in partially filled orbits. However, the individual magnetic mome
Fermat's principle; principle of least time (P. de Fermat): The principle put by P. de Fermat, which states the path taken through a ray of light among any two points into a s
a closed organ pipe resonates with frequency 6hz and an open organ pipe resonates with frequency 12Hz. if the two organ pipes are joined to form a single organ pipe then it will re
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