The total energy of an electron in the first excited state of hydrogen atom
The total energy of an electron in the first excited state of hydrogen atom is about -3.4 eV. Its kinetic energy in this state is
Options
(a) 3.4 eV (b) 6.8 eV (c) -3.4 […]
AIPMT2005
A bomb of mass 30 kg at rest exploded into two pieces of masses 18 kg
A bomb of mass 30 kg at rest exploded into two pieces of masses 18 kg and 12 kg. The velocity of 18 kg mass if 6 m/s. The kinetic energy of the other mass […]
The surface tension of which of the following liquid is maximum
The surface tension of which of the following liquid is maximum
Options
(a) C₂H₅OH (b) CH₃OH (c) H₂O (d) C₆H₆
Correct Answer:
H₂O
Explanation:
Hydrogen bonding in H₂O > C₂H₅OH > CH₃OH . […]