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The angle of incidence is equal to the angle of refraction. 

The change in the direction of light as it passes through the boundary between two media is called refraction

The sky appears blue due to the light reflected from the oceans. 

 If you multiply amp x ohm, the answers will be in units of  power. potential. current. resistance.

The energy of light directly proportional to its wavelength.

The angle between the incident ray and the normal (perpendicular to the surface) is called refracted angle.

If context switching time becomes comparable to the time quantum (in Round-Robin), which metric suffers most?

Using the same process set and Priorities (P1=3, P2=1, P3=4, P4=2, where 1 is the highest priority), what is the Total Waiting Time (in ms) using Non-Preemptive Priority Scheduling? Enter the numerical value.

Four processes, P1, P2, P3, and P4, arrive at T=0, T=2, T=4, and T=6 ms, respectively, with CPU burst times of 10 ms, 5 ms, 2 ms, and 8 ms. What is the Average Waiting Time (in ms) using Non-Preemptive First-Come, First-Served (FCFS) scheduling? Enter the numerical value.

In a multilevel feedback queue (MLFQ), moving a process to a lower queue typically means: