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Why does sun appear flat during sunrise and sunset? The sun rays have to travel by a larger atmospheric distance. Most of the blue light and shorter wave lengths are removed by
Ask question #Minimum 100 words accepteThe centre of oscillation of a meter stick suspended about a transverse axis is located at the 15 cm mark. Determine at what other positions
Di - Electric: The insulator used among the plates of a capacitor is known as Di-electric.
to calculate average speed, divide distance by time?
what is the tension in the string when the block is lifted at a steady speed when the weight weighs 4.5N and the distance is 90cm
example of parallel forces
which electronic level would allow the hydrogen atom to absorb a photon but not to emit a photon
If a hydrogen atom in its ground state absorbs a photon with a wavelength of 93 nm, it jumps to an excited state. What is the value of the energy in that excited state?
The size of nucleus is measured in: (1)amu (2)Angstrom (3)Fermi (4)cm Ans: (3)Fermi
Suppose that we have a monochromatic non-diverging beam of x rays that are incident on a slab of Pb. Inside the Pb plate there are three apertures (openings) that allow the beam
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