The frequency of the absorbed or emitted radiation is related to difference in energy E between the higher energy state E2 and the lower energy state E1. State what h stands for in the given equation?

Related MCQs

• When three wave components co-propagate at angular frequency w1, w2, w3, then a new wave is generated at frequency w4, which is given by
• The radiation emission process (emission of a proton at frequency) can occur in __________ ways.
• A 4 km optical link consists of multimode step index fiber with core refractive index of 1.3 and a relative refractive index difference of 1%. Find the delay difference between the slowest and fastest modes at the fiber output.
• In the given equation, if r is the radial distance, n is the refractive index; what does z stands for?
• In the given equation, what does p stands for?
• Fiber based lasers provide diffraction-limited power at higher levels than solid-state laser. State whether the given statement is true or false
• The radiation-induced attenuation can be reduced through photo-bleaching. State whether the given statement is true or false.
• A measure of amount of optical fiber emitted from source that can be coupled into a fiber is termed as
• A planar LED fabricated from GaAs has a refractive index of 2.5. Compute the optical power emitted when transmission factor is 0.68.
• A planar LED is fabricated from GaAs is having a optical power emitted is 0.018% of optical power generated internally which is 0.018% of optical power generated internally which is 0.6 P. Determine external power efficiency.