An atom radiates 1.5 × 10^-19J when an electron jumps from one level to another. What is the wavelength of the emitted radiation? (Planck’s constant 6.6 × l0^-34Js ; Speed of light in vacuum = 3.0 × 108ms^-1)

Similar Questions

When the temperature difference between the wet and dry bulbs of a hygrometer is high, this indicate...

A 12V battery has an internal resistance of 0.5W.If a cable of 1.0W resistance is connected across t...

The effect of closing the key K in the circuit shown in the figure above would be to? ...

A thin film of liquid is trapped between two glass plates. The force required to pull the plates apa...

On which of the following does the operation of a moving coil ammeter depend? i. Electromagnetic ...

How much heat is required to convert 5.0g of ice at 0 ° C to water at the boiling point? (Specific ...

A boy on looking into a mirror observed that his face appeared to have grown bigger. The boy must ha...

A simple pendulum makes 50 oscillations in one minute. Determine its period of oscillation ...

The electrolyte in the Nickei-iron (Nife) accumulator is ...

The ratio of the linear expansivity of copper to that of iron is approximately 1.5. A specimen of ir...