Determine velocity after emerging from the block
A beam of light in the air is incident on the surface of the rectangular block of clear plastic (n = 1.49). When the velocity of the beam prior to it enters the plastic is 3 x 108 m/s, determine its velocity after emerging from the block?
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The work functions for sodium, cesium, copper and iron are respectively: 2.3, 2.1, 4.7 and 4.5 eV. Which of these metals will not release electrons if visible light shines on it
Determine the static reliability? As the variability (variance) of eaither the strength or load increases. What happens to the reliability?
A generator is joined to a resistor and a 0.022-H inductor in series. The rms voltage across the generator is around 6.3 V. If the generator frequency is set to 200 Hz, then the rms voltage across the inductor is 2.1 V. Find out the resistance of
A heater element produces 150 watts of heat if it is joined to an electrical line supply of 110 V. When a second similar heater element is joined in series with the first and the combination to the similar supply, determine the net heat generation
The freezing point and the boiling point of sulfur dioxide are -72.7oC and - 10oC (at 1 atm), respectively. The triple point is 1.65*10-3 and -75.5oC atm, and its critical point is at 157oC and 78 atm. Illustrate a rough sketch of the phase diagram o
A piece of Nichrome wire consists of a radius of 6.5 x 10-4 m. It is employed in a laboratory to make a heater which dissipates 4.00 x 102 W of power when joined to a voltage source of 120 V. Avoiding the effect of temperature on resistance, approxi
Calculate the probability of locating a particle in a one-dimensional box among the L/4 and 3L/4, where L is the length of the box? Suppose the particle to be in the lowest level.
If one diesel generator has mean constant failure-rate of 9 faults per 104 h and on occurrence of each fault is out of service for fixed time of 50 h, and other diesel generator has a corresponding failure-rate of 115 faults per 104 h and an out o
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1. Exploring the concept of sexual health and its key components which define it 2. Reflecting on the fundamental epidemiological questions
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