NEET Physics Question - Modern Physics - Photoelectric Effects and deBroglie Equation

Rankers Physics

Topic: Modern Physics

Subtopic: Photoelectric Effects and deBroglie Equation

The energy that should be added to an electron to reduce its de Broglie wavelength from \[10^{-10}m\] to \[0.5\times 10^{-10}m\] m will be :

Four times the initial energy

Equal to initial energy

Twice the initial energy

Thrice the initial energy

No solution provided for this question.