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Why is it that the frequency of light remains the constant as it undergoes refraction at the interface of two material mediums?
Ans) If frequencies are dissimilar in different media, vibration of light wave becomes discontinuous at the boundary among different media because rate of vibration (frequency) is dissimilar. Light wave of one ray should be continuous, shouldn't it. Even if wavelengths are dissimilar in different media, light wave can be continuous at the boundary among different media, so to make the wave continuous the frequency will not change.
At 200.0 K, silicon has 3.79 x 10 -18 free electrons per atom. How many free electrons/cm 3 are there in silicon at this temperature?
Q. Define: Peltier coefficient and write its unit. The quantity of heat energy absorbed or evolved at one of the junctions of a thermocouple when one ampere current flows for
Light is quantized. Photons are light quanta. It has zero REST mass. Therefore, it always travels at maximum speed permitted by relativity.
q+q''=0
Q. What is dielectric polarization? The arrangement of the dipole moments of the permanent or induced dipoles in the direction of applied electric field is called polarisation
Clear definitions of, and rationale for defining variables as explanatory confounding (if required) effect modifying variables (if required) and rationale if the form
A 4μF capacitor is connected in parallel with a 6μF capacitor. This arrangement is then linked in series with a 10μF capacitor. A supply p.d. of 250V is linked across the circ
Working of terrestrial telescope
Places where friction occurs Locate the places on several mechanical devices where parts rub together. Roller skates, pulleys and the wheels of toys often required oil. Try to
Consider air (ideal gas) as working substance inside a piston-cylinder device (closed system). This air undergoes a power cycle as shown in figure. Determine work output per unit m
Because, the intrinsic frequency of light is purely a characteristic of the source of that light wave
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