JEE Main 2005 Physics question

Physics Dual Nature of Matter and Radiation JEE Main 2005

If the kinetic energy of a free electron doubles. Its deBroglie wavelength changes by the factor

(1)
(2)2
(3)Correct
(4)

Answer: (3)

Solution

. Doubling K multiplies by , option (3).

Question ID VK-038580