Atoms and Nucle...

Which of the following is a fusion reaction?

The fussion process is possible at high temperatures, because at higher temperatures

For maintaining sustained chain reaction, the following is

Atomic reactor is based on

Solid CO₂ forms

What is the radius of Iodine atom? (At. no. 53, mass no. 126)

Hydrogen atom emits blue light when it changes from n = 4 energy level to the n = 2 level. Which color of light would from the n = 5 level to the n = 2 level.

In H spectrum, the wavelength of Hα line is 656 nm whereas in a distant galaxy, the wavelength of H_α line is 706 nm. Estimate the speed of galaxy with respect to earth.

If the electron in a hydrogen atom jumps from an orbit with level n₁ = 3 to an orbit with level n₁ = 2, the emitted radiation has a wavelength given by

If the wavelength of the first line of the Balmer series of hydrogen is 6561Å, the wavelength of the second line of the series should be