A laser emits a light beam with a power of 5 mw how many
A laser emits a light beam with a power of 5 mW. The wavelength of the light is 608 nm. How many photons per second does this laser emit?
Hint: Calculate the energy of a single photon.
Number of photons per second = _____1/s
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Plot the speed distribution function for a.) Helium, O2,and UF6, at the same temperature, and b.) CO2at 300 K and 1000 K.
Assuming that the door is relatively thin, the moment of inertia will be the same as that of a rod rotating about an axis at its end. If the mass of the door is 10 kg and its width is 1.5 m, find the angular acceleration of the door after applying
A small object with a mass of one gram carries a charge of 1µC and is suspended by a thread between the vertical plates of a parallel-plate capacitor submitted to a voltage of 1 kilo volts
The sulfur dioxide stack gas concentration from fossil fuel combustion is 2ppm(v). Determine the stack-gas concentration in units of micro grams/m^3 assume 0 degrees Celsius and1atm.
A laser emits a light beam with a power of 5 mW. How many photons per second does this laser emit
Assume the discharge from a waste water plant has a flow of 30MGD with a solids concentration of 5 mg/L. Determine the mass flow rate of solids discharged in unit lb/day.
An iron bar 40 cm long is braised to a copper bar 40 cm long and of the same diameter. What is the temperature of the junction point
A common-source FET amplifier has an RD = 1.0 k ohms. How much does the gain change when a load resistance of 1.0 k ohms is capacitively coupled to the drain
What is the common-mode rejection ratio (in dB) if the output voltage is measured to be 2.0 Vp-p when the input terminals are connected together and a 0.1 Vp-p voltage is applied between the inputs and ground.
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