Select the volume units that are greater than one liter.
2 answers:
Answer: The correct answers are option (a)and(c).
Explanation:
1) In ,1 kilo Liter = 1,000 Liter
1 liter = 0.001 kilo Liter
2) In ,1 Mega Liter = 1,000,000
1 Liter = Mega Liter
Where as milliliter, centiliter, deciliter and nano liters are smaller units that 1 liter
1 Liter = 1000 milliliter
1 Liter = 100 centiliter
1 Liter = 10 deciliter
1 Liter = nano liter
Hence, the correct answers are option (a)and(c).
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Answer:
news will reach to the listener who are 42 km apart
Explanation:
given,
distance of the radios from the station = 42 Km
speed of the sound in the air = 343 m/s
distance of the people = 9.26 m
time taken by the signal to reach to the radio
speed of the electromagnetic wave to reach to the people
speed of electromagnetic wave = 3 × 10⁸ m/s
t = 1.4 μs
time taken to reach to the people
t = 27 ms
time taken by the station to radio is less.
hence, news will reach to the listener who are 42 km apart
Answer:
ΔS = - k ln (3)
Explanation:
Using the Boltzmann's expression of entropy, we have;
S = k ln Ω
Where;
S = Entropy
Ω = Multiplicity
From the question, the configuration of the molecules in a gas changes so that the multiplicity is reduced to one-third its previous value. This also causes a change in the entropy of the gas as follows;
ΔS = k ln (ΔΩ)
ΔS = kln(Ω₂) - kln(Ω₁)
ΔS = kln(Ω₂ / Ω₁) -------------(i)
Where;
Ω₂ = Final/Current value of the multiplicity
Ω₁ = Initial/Previous value of the multiplicity
Ω₂ = Ω₁ [since the multiplicity is reduced to one-third of the previous value]
Substitute these values into equation (i) as follows;
ΔS = k ln ( Ω₁ / Ω₁)
ΔS = k ln ()
ΔS = k ln (3⁻¹)
ΔS = - k ln (3)
Therefore, the entropy changes by - k ln (3)