1 year ago

What is the function of a diaphragm in a camera?

Physics

1 answer:

krek1111 [17]1 year ago

5 0

It controls the amount of lighting through it

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Given that average speed is distance traveled divided by time, determine the values of m and n when the time it takes a beam of

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Answer:

$5,2$

Explanation:

From the question we are told that:

Speed of light $C=3.0×10^8 m/s.$

Generally the equation for Average Speed is mathematically given by

$V_{avg}=\frac{d}{t}$

Where

d=Distance between the Earth and the sun

$d=1.5*10^11m$

Therefore

$t=\frac{d}{V_{avg}}$

$t=\frac{1.5*10^11m}{3.0×10^8 m/s.}$

$t=5*10^2s$

Since m and n is given in the form of

$m*10^n$

Therefore

$m=5 & n=2$

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