answer the following (B)
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E is energy, h is Planck's constant( 6.626 × 10^(-34) Js ) and the weird thing is threshold frequency. lamda is what u want. wavelength.
use everything in SI units.
also, cesium is spelled wrong in the NCERT text book... :)
use everything in SI units.
also, cesium is spelled wrong in the NCERT text book... :)
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