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The work functions of two metals (M A and M B ) are in the 1 : 2 ratio. When these metals are exposed to photons of ener…

Q1

The work functions of two metals (MA and MB) are in the 1 : 2 ratio. When these metals are exposed to photons of energy 6 eV, the kinetic energy of liberated electrons of MA : MB is in the ratio of 2.642 : 1. The work functions (in eV) of MA and MB are respectively.

[JEE Main 2026, 23 Jan (Shift 2)]

a

1.4, 2.8

b

1.5, 3.0

c

2.3, 4.6

d

3.1, 6.2

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