Refraction and reflection both shows the wave property of light and the difference between them is that during reflection the medium of light will not change while in refraction the light will change its medium
so in reflection of light we use that angle of incidence = angle of reflections with respect to normal
While in refraction we use Snell's law
Diffraction of light is the phenomenon of light in which light will bend at the corners and enter into the region of dark
While absorption is the phenomenon of energy absorption when light incident on any medium or surface
Explanation:
The range of a data set is the difference between the highest and lowest value in a given set.
Calculating the range of a data set gives the spread of the data set.
In order to calculate the range of a data set;
- the highest number must be known
- the lowest number must be known
The difference between the highest and lowest number gives the range.
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(a) g = Gm/r^2
where G=6.67 * 10^-11 Nm^2/kg^2,
m is the mass of the planet,
r is the radius of the planet.
7.0 = (6.67 * 10^-11)/(2500^2) * m
m= (25000000^2 * 9.0)/(6.67 * 10^-11)
m = 8.4333 x 10^24 kg
(b) g=Gm/r^2. This time, the radius is 2500+10000 = 12500km g = (6.67 * 10^-11 * 8.43333*10^18)/(12500^2)
g = 3.6 m/s^2
Explanation:
The relationship between the wavelength and the potential difference V is given by :
Putting the values of known parameters,
(a)
(b)
Hence, this is the required solution.