Answer:
option C
Explanation:
given,
Temperature of the surface = 6000 K
using formula to calculate
is the maximum wavelength emission in meter.
T is the temperature in kelvin.
the wavelength is in Visible range
The Correct answer is option C
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2 answers:
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The acceleration of the car is 1.067 m/.
<u>Explanation:</u>
Acceleration is the measure of change in velocity experienced by any object for a given time period. So it is determined as the ratio of difference in the velocity to the time period.
As here the initial velocity is stated as zero, so u = 0. And the final velocity is termed as 50 km/h. Then we have to determine the acceleration in 13 s. So here we have to convert the units as common units. Thus, 50 km/h should be converted to m/s as
So now, the initial velocity u = 0 and final velocity v = 13.88 m/s and the time period is given as t = 13 s.
So the acceleration of the car is 1.067 m/.