An X-ray tube operated at 40 kV emits a continuous X-ray spectrum with a short wavelength limit lemda min = 0.310 A. Calculate Planck’s constant. An X-ray tube operated at 40 kV emits a continuous X-ray spectrum with a short wavelength limit lemda min = 0.310 A. Calculate Planck's constant. September 11, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related