MCQ
Work function is min energy to:
Physics
A
Excite electron
B
Remove electron from surface
C
Accelerate proton
D
Ionize gas
Explanation
Work function is minimum energy to eject surface electron.
Related MCQs
In a convex lens, when the object is between F and the lens, the image is:
Physics
View
Heat required to raise the temperature of 2 kg of water by 5°C is: (Specific heat of water = 4200 J/kg·K)
Physics
View
According to Bohr\'s model, the energy of an electron in the nth orbit of hydrogen atom is:
Physics
View
Power in resistor is given by:
Physics
View
Ohm\'s law states that:
Physics
View
The impedance of a series RL circuit with R = 3 Ω and XL = 4 Ω is:
Physics
View