Q. 124.5( 2 Votes )
Energy used to convert ice to water
E = mass × latent heat = mL
Energy absorbed by n photons with frequency v in time T is given by,
This energy is used to convert ice to water,
∴ T α n-1, when v is constant
Hence, time decreases with increasing n, with v fixed.
T α v-1, when n is constant
Hence, time decreases with increasing v, with n fixed.
T α (nv)-1
Hence, time remains constant with n and v changing such that nv = constant.
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