A laser emitted a 0.1 ms long pulse of light with total energy 10 J. The...
A laser emitted a 0.1 ms long pulse of light with total energy 10 J. The average pressure of such a pulse focused on a spot of diameter 1mm on a fully reflective surface is:
| A. |
850 Pa |
|
| B. |
0.17 mN |
|
| C. |
6.6 N/m2 |
|
| D. |
None of the above |
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A laser emitted a 0.1
ms long pulse of light with total energy 10 J. The...
A laser emitted a 0.1 ms long pulse of light with total energy 10 J. The...
A laser emitted a 0.1 ms long pulse of light with total energy 10 J. The average pressure of such a pulse focused on a spot of diameter 1mm on a fully reflective surface is: A. 850 Pa B. 0.17 mN C. 6.6 N/m2 D. None of the above
A laser emitted a 0.1 ms long pulse of light with total energy 10 J. The...
A laser emitted a 0.1 ms long pulse of light with total energy 10 J. The average pressure of such a pulse focused on a spot of diameter 1mm on a fully reflective surface is: A 850 Pa B. 0.17 mN C. 6.6 N/m2 D. None of the above
A laser emitted a 0.1 ms long pulse of light with total energy 10 J. The...
A laser emitted a 0.1 ms long pulse of light with total energy 10 J. The average pressure of such a pulse focused on a spot of diameter 1mm on a fully reflective surface is: O A. 850 Pa B. 0.17 mN C. 6.6 N/m2 D. None of the above
A laser emitted a 0.1 ms long pulse of light with total energy 10 J. The...
A laser emitted a 0.1 ms long pulse of light with total energy 10 J. The average pressure of such a pulse focused on a spot of diameter 1mm on a fully reflective surface is: A. 850 Pa B. 0.17 ms C. 6.6 N/m2 D. None of the above
A laser emitted a 0.1 ms long pulse of light with total energy 10 J. The...
A laser emitted a 0.1 ms long pulse of light with total energy 10 J. The average pressure of such a pulse focused on a spot of diameter 1mm on a fully reflective surface is: O A 850 Pa OB.0.17mN O C66 N/m2 OD. None of the above
A laser emitted a 0.1 ms long pulse of light with total energy 10 J. The...
A laser emitted a 0.1 ms long pulse of light with total energy 10 J. The average pressure of such a pulse focused on a spot of diameter 1mm on a fully reflective surface is: OA. 850 Pa B. 0.17 mN OC. 6.6 N/m2 D. None of the above The index of refraction of germanium is 5.5. The critical angle for total internal reflection, at germanium/air interface is about: A. 800 OB. 340 C. 60° D. None of the above...
A laser emitted a 0.1 ms long pulse of light with total energy 10 J. The...
A laser emitted a 0.1 ms long pulse of light with total energy 10 J. The average pressure of such a pulse focused on a spot of diameter 1mm on a fully reflective surface is:
A helium-neon laser emits an unpolarized pulse of light carrying an energy of 0.35 Joules in...
A helium-neon laser emits an unpolarized pulse of light carrying
an energy of 0.35 Joules in 225 fs pulses (1 femtosecond = 10^-15
s). Each pulse encounters three polarizers as shown in the picture
(polarization angles measured with respect to the vertical
axis).
(a) What is the average power emitted by the laser during each
pulse?
(b) If the beam is cylindrical with a 2.0mm diameter, find the
average intensity Io of the pulse.
(c) Find ? such that the...
A laser used in eye surgery emits a 2.20-mJ pulse in 1.00 ns, focused to a...
A laser used in eye surgery emits a 2.20-mJ pulse in 1.00 ns, focused to a spot 45.0 µm in diameter on the retina. (a) Find (in SI units) the power per unit area at the retina. (This quantity is called the irradiance.) W/m2 (b) What energy is delivered per pulse to an area of molecular size (say, a circular area 0.400 nm in diameter)? J
A large laser emits an intense pulse of light delivering an energy of 5080J in 8.40×10-3s....
A large laser emits an intense pulse of light delivering an energy of 5080J in 8.40×10-3s. If the frequency of the light is 5.94×1014Hz, how many photons are emitted in this pulse?
A laser emitted a 0.1 ms long pulse of light with total energy 10 J. The average pressure of such a pulse focused on a spot of diameter 1mm on a fully reflective surface is: A 850 Pa B. 0.17 mN C. 6.6 N/m2 D. None of the above
A laser emitted a 0.1 ms long pulse of light with total energy 10 J. The average pressure of such a pulse focused on a spot of diameter 1mm on a fully reflective surface is: O A. 850 Pa B. 0.17 mN C. 6.6 N/m2 D. None of the above
A laser emitted a 0.1 ms long pulse of light with total energy 10 J. The average pressure of such a pulse focused on a spot of diameter 1mm on a fully reflective surface is: A. 850 Pa B. 0.17 ms C. 6.6 N/m2 D. None of the above
A laser emitted a 0.1 ms long pulse of light with total energy 10 J. The average pressure of such a pulse focused on a spot of diameter 1mm on a fully reflective surface is: O A 850 Pa OB.0.17mN O C66 N/m2 OD. None of the above
A laser emitted a 0.1 ms long pulse of light with total energy 10 J. The average pressure of such a pulse focused on a spot of diameter 1mm on a fully reflective surface is: OA. 850 Pa B. 0.17 mN OC. 6.6 N/m2 D. None of the above The index of refraction of germanium is 5.5. The critical angle for total internal reflection, at germanium/air interface is about: A. 800 OB. 340 C. 60° D. None of the above...
A laser emitted a 0.1 ms long pulse of light with total energy 10 J. The average pressure of such a pulse focused on a spot of diameter 1mm on a fully reflective surface is:
A helium-neon laser emits an unpolarized pulse of light carrying
an energy of 0.35 Joules in 225 fs pulses (1 femtosecond = 10^-15
s). Each pulse encounters three polarizers as shown in the picture
(polarization angles measured with respect to the vertical
axis).
(a) What is the average power emitted by the laser during each
pulse?
(b) If the beam is cylindrical with a 2.0mm diameter, find the
average intensity Io of the pulse.
(c) Find ? such that the...
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