Dual Nature of Matter and Radiation — quick quiz

5 real JEE Main questions on Dual Nature of Matter and Radiation. Instant scoring and solutions, no signup — see where you stand in ~3 minutes.

Question 1 of 5

MEDIUM

In a photoelectric experiment, the stopping potential for light of wavelength 400 nm is 1.0 V. If the wavelength is changed to 300 nm, what will be the new stopping potential? (Take hc/e = 1240 eV·nm)