Answer:
Explanation:
capacitance of air capacitor C = charge / volt
C = 6.39 x 10⁻⁵ / 2.67
= 2.39 x 10⁻⁵ Farad
After inserting dielectric between plates , the capacitance of capacitor becomes C₁ where
C₁ = 6.03 x 2.39 x 10⁻⁵
= 14.41 x 10⁻⁵ Farad
The voltage of the capacitor will remain the same as earlier that is 2.67 V because it remains connected with the charging source .
New charge on the capacitor = new capacitance x voltage
= 14.41 x 10⁻⁵ x 2.67
= 38.47 x 10⁻⁵ C .
Answer:
Explanation:
The diffraction pattern is given as
Sinθ = mλ/ω
Where m=1,2,3,4....
Now, when m=1
Sinθ = λ/ω
Then,
ω = λ/Sinθ
The width of the central bright fringe is given as
y=2Ltanθ. From trigonometric
Then,
θ=arctan(y/2L)
Given that,
y=0.052m
L=0.55m
θ=arctan(0.052/2×0.55)
θ=arctan(0.0473)
θ=2.71°
Substituting this into
ω = λ/Sinθ
Since λ=544nm=544×10^-9m
Then,
ω = 544×10^-9/Si.2.71
ω = 1.15×10^-5m.
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<h3>It takes 60 seconds to do the work</h3>
<em><u>Solution:</u></em>
Given that,
Force = 100 newtons
Distance = 15 meters
Power = 25 watts
To find: time it takes to do the work
<em><u>Find the work done:</u></em>
<em><u>Find the time taken</u></em>
Thus it takes 60 seconds to do the work
If he stops running the tea is still going to be moving so it will spill on him.
