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What is maximum light wavelength to be absorbed for creating electron-hole pairs in one type of Copper indium gallium (di)selenide (CIGS) photovoltaic cell? Assume this cell has a band gap of 1.35 eV. What happens, if this CIGS solar cell is irradiated with light having a wavelength of 950 nm? Explain how the CIGS semiconductor interacts with this 950 nm light.
A 310g bird flying along at 6.2m/s sees a 8.0g insect heading straight toward it with a speed of 31m/s, What is the bird's speed immediately after swallowing
A bullet of mass m = 8.00 g is fired into a block of mass M = 190 g that is initially at rest at the edge of a table of height h = 1.00 m (see figure below). The bullet remains in the block, and after the impact the block lands d = 1.50 m from the bo..
An uncharged capacitor is connected to the terminals of a 3.0 V battery, and 6.0 μC flows to the positive plate. The 3.0 V batteries is then disconnected and replaced with a 5.0 V battery, with the positive and negative terminals connected in the sam..
Three resistors R1 = 81.0 Ω, R2 = 21.0 Ω, R3 = 70.0 Ω, and two batteries 1 = 40.0 V, and batteries 2 = 353 V are connected as shown in the diagram below.
A 15 gram rubber bullet hits a wall with a speed of 150 meter per second. Find what force did the wall apply to the bullet
The circular disk rotates with a constant angular velocity w=40 rads/sec about its axis which is inclined in the Y-Z plane at the angle A = arctan ¾. Determine the vector expressions for the velocity and acceleration for point P located on the r..
q1. an engineer needs a resistor with zero overall temperature coefficient of resistance at 20oc. she designs
A capacitor in a single-loop RC circuit is charged to 54% of its final voltage in 1.7 seconds. A) Find the time constant for the circuit. (Express in seconds)
life scientists use ultracentrifuges to separate biological components or to remove molecules from suspension. samples
Find what frequency is received by a person watching an oncoming ambulance moving at 118 kilometer per hour and emitting a steady 800 Hertz sound from its siren
planet orbits a star, in a year of length 2.34 x107 s, in a nearly circular orbit of radius 1.78 x1011 m. With respect to the star, decide (a) the tangential speed of the planet, (b) the angular speed of the planet, and(c) the magnitude and direction..
A space station consists of two donut-shaped living chambers, A and B, that have the radii 3.20 x10 ^2 m and 1.10 X10^3 m respectively. As the station rotates, an astronaut in chamber A is moved 1.51 x 102 m along a circular arc. How far along a circ..
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