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Heat Transfer and Harmonic Motion Quiz

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Questions and Answers

What is the rate of emission of photons from the source?

2.424 x 10^18 photons per second (correct)

3.125 x 10^18 photons per second

1.950 x 10^18 photons per second

4.275 x 10^18 photons per second

What is the equilibrium charge on the oil?

2.5 μC

36 μC

3.4 μC

34 μC (correct)

In the equation y = 2a sin kxcos ωt, what does the value 'a' represent?

Amplitude of the wave (correct)

Frequency of the wave

Phase constant

Wavelength of the wave

What does the specific heat capacity of a material indicate?

The amount of energy required to raise the temperature of a unit mass by 1 degree Celsius Signup and view all the answers

What does 'k' represent in the context of harmonics?

Harmonic number Signup and view all the answers

What is the velocity of the wave in air if the observer's velocity is 5 m/s and source's velocity is -5 m/s?

-5 m/s Signup and view all the answers

What is the net accelerating force on the cart when it experiences a retarding force equal to µv?

(F - µv) Signup and view all the answers

At time 't', if the mass of the loaded cart is (m0 + µt), what will the acceleration at that instant be?

(F - µv) Signup and view all the answers

What is the initial acceleration of the cart when its speed is zero at the initial moment?

(F/m0) Signup and view all the answers

If t is substituted as zero in the equation, what becomes the initial acceleration of the cart?

(F - µv) / m0 Signup and view all the answers

What is the relationship between the kinetic energy of a loaded cart and the work done by the force F upto that instant?

The kinetic energy of the loaded cart at an instant is less than the work done by the force F upto that instant. Signup and view all the answers

What is the expression for the total distance traveled by a ball before coming to rest after multiple impacts/collisions?

h = h0 (1 + e^2)(1 - e^2)^(-1) Signup and view all the answers

What is the expression for the total momentum transfer in a system of collisions?

ΔP = P (1 + e) + eP (1 + e) + ... (1 + e)(1 - e)^(-1) Signup and view all the answers

What is the expression for the average force applied in a system of collisions?

F = dP/dt = P(1 + e)(1 - e)^(-1) Signup and view all the answers

What is the relationship between the energy stored in a capacitor and its capacitance?

The energy stored in a capacitor decreases with increasing capacitance, given constant charge. Signup and view all the answers

What is the expression for the fundamental node for a harmonic standing wave on a string?

λ/2f = L ⟹ λ = 2L Signup and view all the answers