Dual Behaviour of Electromagnetic Radiation

The electromagnetic radiation has wave nature. How does wave number considered as the wave parameter of it?

Express, the electromagnetic radiation has the wave nature using the wave length and the frequency relationship.

What is the amplitude of the electromagnetic wave in the diagram below?

How is amplitude of the electromagnetic radiation related to intensity?

Explain briefly the physical meaning of an amplitude of a wave.

The wavelength of a radio wave is $1.0\mathrm{m}$. Find its frequency?

What is absorption spectrum?

Which of the following particles will show deflection from the path on passing through an electric field?

The number of wavelengths per unit length is called

What is/are correct about Hertz $(\mathrm{Hz} {\mathrm{s}}^{-1})$?

Velocity is the distance travelled by a wave in one _____ .

The ratio of energy to the frequency of electromagnetic radiation is called:

The dual nature of matter was proposed by de Broglie.

The shortest wavelength in hydrogen  spectrum of Lyman series when ${\mathrm{R}}_{\mathrm{h} }= 109678 {\mathrm{cm}}^{-1 }$is

 Photoelectric emission is observed from a metal surface with incident frequencies $v_{1 }and v_2 where v_{ 1 }> v_{2 }$. If the kinetic energies of the photoelectrons emitted in the two cases are in the ratio 2 : 1, then the threshold frequency$v_0$ of the metal is

A $600\mathrm{W}$ mercury lamp emits monochromatic radiation of wavelength $313·3\mathrm{nm}$. How many photons are emitted from the lamp per second ?

($\mathrm{h} = 6.626 \times {10}^{-34 }\mathrm{Js},$ velocity of light  $= 3 \times {10}^8 {\mathrm{ms}}^{-1}$)

A radio can tune to any station in $7.5\mathrm{ }\mathrm{M}\mathrm{H}\mathrm{z}$ to $12\mathrm{ }\mathrm{M}\mathrm{H}\mathrm{z}$ band. The corresponding wavelength band is

The radiation with maximum frequency is

Which of the following is never true for cathode rays?

The frequency of yellow light having wavelength $600\mathrm{ }\mathrm{n}\mathrm{m}$ is-