Name the physical quantity which remains same for microwaves of wavelength $1 m m$ and $U V$ radiations of $1600 \circ A$ in vacuum.

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Solution

Both microwaves as well as UV radiations of any wavelength travels in vacuum with the speed of light in vacuum.
Hence speed of the microwaves $(λ = 1 m m)$ and UV radiations $(λ = 1 A^{o})$ is the same.

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Q. Name the physical quantity which remains same for microwaves 1 mm and UV radiation of

6000_{A}^{\circ}

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(b) Name the radiation which is used for satellite communication.

Of the following radiation with

(i)Maximum wavelength out of UV, Radiowaves, x-rays, IR

(ii) Lowest frequency out of IR,wavelength out of UV, Radiowaves, x-rays, IR

(ii) Lowest frequency out of IR, ϒ-rays, cosmic rays and microwaves

Q. Write the following radiations in an ascending order in respect of their frequencies : X- rays, microwaves, UV (ultra - violet) rays and radio waves.

A.The wavelength of microwaves is greater than that of $U V -$ rays.

B.The wavelength of $I R$ rays is lesser than that of $U V -$ rays.

C.The wavelength of microwaves is lesser than that of $I R$ rays.

D. Gamma rays have the shortest wavelength in the electromagnetic spectrum.

Of the above statements

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Name the physical quantity which remains same for microwaves of wavelength 1 mm and UV radiations of 1600∘A in vacuum.

Both microwaves as well as UV radiations of any wavelength travels in vacuum with the speed of light in vacuum.Hence speed of the microwaves (λ=1mm) and UV radiations (λ=1Ao) is the same.

Name the physical quantity which remains same for microwaves of wavelength $1 m m$ and $U V$ radiations of $1600 \circ A$ in vacuum.

Both microwaves as well as UV radiations of any wavelength travels in vacuum with the speed of light in vacuum.
Hence speed of the microwaves $(λ = 1 m m)$ and UV radiations $(λ = 1 A^{o})$ is the same.