(2 points) a pair of students measure the intensity of light from a desklamp in sec. 4.5 of the experiment. when the detector is 25 cm from the lamp, the signal measured by the detector is 0.74 v. how large a signal (in v) do the students expect when the detector is 47 cm away?

At 47 cm signal will be of 0.2093 volt

Explanation:

We have given the the the signal measured by the detector at a distance of 25 cm is 0.74 volt

We have to find the intensity of the signal at a distance of 47 cm

We know that intensity inversely proportional to the square of distance

So , here  is intensity at 25 cm and   is intensity at 47 cm

So

when cloud cover increases then the suns ray's which provides the earth with light and warmth gets covered due to the due to the suns ray's being blocked, the temperature in that region

therefore to conclude i would like to say that,

=more the cloud cover, the lesser the

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