The maximum kinetic energy Kmaxof photo-electrons emitted in a photoelectric cell is measured using lights of various frequencies v,. The slope of the graph is equal to

see full answer

Talk to JEE/NEET 2025 Toppers - Learn What Actually Works!

Real Strategies. Real People. Real Success Stories - Just 1 call away

An Intiative by Sri Chaitanya

charge on an electron

work-function of emitter

velocity of photon

Planck's constant

answer is D.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

hv=W0+(K.E.) or K.E. =Kmax=hv−W0 comparing with y = m x +C we find that m =h (planck's constan)

Watch 3-min video & get full concept clarity