plz explain this question its ans is (1)
Attachments:
Answers
Answered by
1
Rest mass energy of electron=>
E = mc^2
E =9.1×10^-31 × ( 3×10^8 )^2
E = 8.19 × 10^-14 J.
Now ,
E = pc
p = E / c
p = (8.19 × 10^-14) / (3 × 10^8)
p = 2.73 × 10^-22 kg m/s..●
●●●●●●●●●●●●●●●●●●●●●
Hope it was helpful.
E = mc^2
E =9.1×10^-31 × ( 3×10^8 )^2
E = 8.19 × 10^-14 J.
Now ,
E = pc
p = E / c
p = (8.19 × 10^-14) / (3 × 10^8)
p = 2.73 × 10^-22 kg m/s..●
●●●●●●●●●●●●●●●●●●●●●
Hope it was helpful.
Similar questions