According to Bohr's theory

According to Bohr theory which one of the following values of angular momentum of hydrogen atom is not permitted ?

According to Bohr theory, which of the following transition in hydrogen atom will give rise to the least energetic proton?

According to Bohr theory, which of the following transition in hydrogen atom will give rise to the least energetic proton?

According to Bohr theory, which of the following transition in hydrogen atom will give rise to the least energetic proton?

According to Bohr's atomic theory, which of the following is correct ?

According to Bohr's atomic theory, which of the following is correct ?

According to Bohr's atomic theory, which of the following relations are correct-