Indigo and red regions of VIBGYOR, respectively fall in the range of wavelenght

If E and P are the energy and the momentum of a photon respectively then on increasing the wavelenght of photon

The outer radius and the inner radius of a circular ring are respectively 25 cm and 24 cm.Find the area of the region which falls under the ring.

If E and lambda represent the energy and wavelenght respectively of an electron, then the graph between log lambda and log E will have

Which of the following reprsents an infra-red wavelenght ?

State the wavelength range of visible region.

Each type of electromagnetic radiation is spread over a specific range of wavelengths (and frequencies). The visible region ranges from

Work out the ranges of temperature corresponding to which a star will appear blue and red respectively. Given Wavelength range of blue colour: 4500Å to 5000Å Wavelength range for red colour: 6500Å to 7000Å

The wavelengths of violet and red ends of visible spectrum are 390nm and 780 nm respectively. Evaluate the energy range of the photons of the visible light in electron volts.

Which of the following spectral series falls within the visible range of electromagnetic radiation ?