List of top Physics Questions asked in MHT CET

The iron blade has a ring in which the wooden handle is fixed. The ring is slightly smaller in size than a wooden handle. The ring is heated. When the ring cools, it ______________ and tightly fits on the handle.

The ionization energy of hydrogen atom in excited state is:

Two photons of same frequency are produced due to the annhiliation of a proton and antiproton. Wave length of the proton so produced is: