The ratio of the nuclear radii of elements with mass numbers 216 and 125 is
The ratio of the nuclear radii of elements with mass numbers 216 and 125 is Options (a) (6:5) (b) √216:√125…
7 years ago
Atoms and Nuclei
The ratio of minimum wavelengths of Lyman and Balmer series will be
The ratio of minimum wavelengths of Lyman and Balmer series will be Options (a) 5 (b) 10 (c) 1.25 (d)…
7 years ago
Which of the following transitions in hydrogen atoms emit photons of highest frequency?
Which of the following transitions in hydrogen atoms emit photons of highest frequency? Options (a) n=1 to n=2 (b) n=2…
7 years ago
Calculate power output of ₉₂²³⁵U reactor, if it takes 30 days to use up 2 kg of fuel,
Calculate power output of ₉₂²³⁵U reactor, if it takes 30 days to use up 2 kg of fuel, and if…
7 years ago
Rutherford’s α-scattering experiment concludes that
Rutherford's α-scattering experiment concludes that Options (a) there is a heavy mass at centre (b) electrons are revolving around the…
7 years ago
Mass defect is known as
Mass defect is known as Options (a) ionisation energy (b) binding energy (c) packing fraction (d) activity Correct Answer: binding…
7 years ago
In the Bohr’s model of hydrogen atom, the ratio of the kinetic energy to the total
In the Bohr's model of hydrogen atom, the ratio of the kinetic energy to the total energy of the electron…
7 years ago
Bohr’s postulates quantizes
Bohr's postulates quantizes Options (a) atomic mass (b) charge (c) angular momentum (d) energy Correct Answer: angular momentumExplanation:No explanation available.…
7 years ago
Which of the following does not increase regularly?
Which of the following does not increase regularly? Options (a) mass number (b) atomic number (c) packing fraction (d) binding…
7 years ago
The volume of a nucleus is directly proportional to
The volume of a nucleus is directly proportional to Options (a) A (b) A³ (c) √A (d) A¹/₃ Correct Answer:…
7 years ago