Please explain why the emission of the electrons
Please explain why the emission of the electrons doesn’t occur when the wavelength of incident radiation is set to the maximum value (for example 799.9 nm for lead)?
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transverse pulses travel with a speed of 220 ms along a taut copper wire whose diameter is 120 mm what is the tension
a plane mirrora produces both real and virtual imagesb always produces a virtual imagec always produces a real
a converging lensa must have at least one convex surfaceb cannot produce a virtual and reduced imagec is thicker at its
a 5000kg lunar lander is in orbit 30km above the surface of the moon it needs to move out to a 500km-high orbit in
please explain why the emission of the electrons doesnrsquot occur when the wavelength of incident radiation is set to
a chain consisting of five links each of mass 0120 kg is lifted vertically with a constant acceleration of a 43 ms2
two blocks m1 98 kg and m2 40 kg are connected by a homogeneous rope that has a mass of mr 132 kg a constant
a truck is traveling at 131 ms down a hill when the brakes on all four wheels lock the hill makes an angle of 15 deg
a sinusoidal wave on a string is described by the wave function y 020 sin 070x 51t where x and y are in meters and t
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