Question:
The threshold frequency of a metal with work function 6.63 eV is : 
(1) 16 x 10^15 Hz  
(2) 16 x 10^12 Hz  
(3) 1.6 x 10^12 Hz 
(4) 1.6 x 10^12 Hz

                                                       JEE-2024       

Solution:                
The threshold frequency of a metal with work function 6.63 eV is : (1) 16 x 10^15 Hz (2) 16 x 10^12 Hz (3) 1.6 x 10^12 Hz (4) 1.6 x 10^12 Hz JEE-2024

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