-- Question text hereThe difference between threshold wavele... — Physics | Mockzy | Mockzy

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-- Question text hereThe difference between threshold wavelengths for two metal surfaces A and B having work functions ΦA = 9 eV and ΦB = 4.5 eV, in nm is (Given hc = 1242 eV nm)

A

345

B

69

C

138

D

276

-- Question text hereA particle of mass 5M at rest, disintegrates into two parti

-- Question text hereA nucleus with mass number 220 initially at rest emits an α

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