Electromagnetic Spectrum
PHXI15:WAVES

358778 The decreasing order of wavelength of infrared, microwave, ultraviolet and gamma rays is

1 Infrared, microwave, ultraviolet, gamma rays
2 Gamma rays, ultraviolet, infrared, microwaves
3 Microwaves, gamma rays, infrared, ultraviolet
4 Microwave, infrared, ultraviolet, gamma rays
PHXI15:WAVES

358779 If \({\lambda _v},{\lambda _x}\) and \({\lambda _m}\) represent the wavelengths of visible light, \(x\) - rays and microwaves respectively, then :

1 \(\lambda_{v}>\lambda_{m}>\lambda_{x}\)
2 \({\lambda _v} > {\lambda _x} > {\lambda _m}\)
3 \({\lambda _m} > {\lambda _v} > {\lambda _x}\)
4 \({\lambda _m} > {\lambda _x} > {\lambda _v}\)
PHXI15:WAVES

358780 \(X\)-rays, gamma rays and microwaves travelling in vacuum have

1 Same wavelengths but different velocities
2 Same frequency but different velocities
3 Same velocity but different wavelengths
4 Same velocity and same frequency.
PHXI15:WAVES

358781 Which of the following statements is not correct?

1 Photographic plates are sensitive to infrared rays.
2 Photographic plates are sensitive to ultraviolet rays.
3 Infra-red rays are invisible but can cast shadows like visible light.
4 Infra-red photons have more energy than photons of visible light.
PHXI15:WAVES

358782 The nature of electromagnetic wave is

1 Longitudinal
2 Longitudinal stationary
3 Transverse
4 Transverse stationary
PHXI15:WAVES

358778 The decreasing order of wavelength of infrared, microwave, ultraviolet and gamma rays is

1 Infrared, microwave, ultraviolet, gamma rays
2 Gamma rays, ultraviolet, infrared, microwaves
3 Microwaves, gamma rays, infrared, ultraviolet
4 Microwave, infrared, ultraviolet, gamma rays
PHXI15:WAVES

358779 If \({\lambda _v},{\lambda _x}\) and \({\lambda _m}\) represent the wavelengths of visible light, \(x\) - rays and microwaves respectively, then :

1 \(\lambda_{v}>\lambda_{m}>\lambda_{x}\)
2 \({\lambda _v} > {\lambda _x} > {\lambda _m}\)
3 \({\lambda _m} > {\lambda _v} > {\lambda _x}\)
4 \({\lambda _m} > {\lambda _x} > {\lambda _v}\)
PHXI15:WAVES

358780 \(X\)-rays, gamma rays and microwaves travelling in vacuum have

1 Same wavelengths but different velocities
2 Same frequency but different velocities
3 Same velocity but different wavelengths
4 Same velocity and same frequency.
PHXI15:WAVES

358781 Which of the following statements is not correct?

1 Photographic plates are sensitive to infrared rays.
2 Photographic plates are sensitive to ultraviolet rays.
3 Infra-red rays are invisible but can cast shadows like visible light.
4 Infra-red photons have more energy than photons of visible light.
PHXI15:WAVES

358782 The nature of electromagnetic wave is

1 Longitudinal
2 Longitudinal stationary
3 Transverse
4 Transverse stationary
PHXI15:WAVES

358778 The decreasing order of wavelength of infrared, microwave, ultraviolet and gamma rays is

1 Infrared, microwave, ultraviolet, gamma rays
2 Gamma rays, ultraviolet, infrared, microwaves
3 Microwaves, gamma rays, infrared, ultraviolet
4 Microwave, infrared, ultraviolet, gamma rays
PHXI15:WAVES

358779 If \({\lambda _v},{\lambda _x}\) and \({\lambda _m}\) represent the wavelengths of visible light, \(x\) - rays and microwaves respectively, then :

1 \(\lambda_{v}>\lambda_{m}>\lambda_{x}\)
2 \({\lambda _v} > {\lambda _x} > {\lambda _m}\)
3 \({\lambda _m} > {\lambda _v} > {\lambda _x}\)
4 \({\lambda _m} > {\lambda _x} > {\lambda _v}\)
PHXI15:WAVES

358780 \(X\)-rays, gamma rays and microwaves travelling in vacuum have

1 Same wavelengths but different velocities
2 Same frequency but different velocities
3 Same velocity but different wavelengths
4 Same velocity and same frequency.
PHXI15:WAVES

358781 Which of the following statements is not correct?

1 Photographic plates are sensitive to infrared rays.
2 Photographic plates are sensitive to ultraviolet rays.
3 Infra-red rays are invisible but can cast shadows like visible light.
4 Infra-red photons have more energy than photons of visible light.
PHXI15:WAVES

358782 The nature of electromagnetic wave is

1 Longitudinal
2 Longitudinal stationary
3 Transverse
4 Transverse stationary
PHXI15:WAVES

358778 The decreasing order of wavelength of infrared, microwave, ultraviolet and gamma rays is

1 Infrared, microwave, ultraviolet, gamma rays
2 Gamma rays, ultraviolet, infrared, microwaves
3 Microwaves, gamma rays, infrared, ultraviolet
4 Microwave, infrared, ultraviolet, gamma rays
PHXI15:WAVES

358779 If \({\lambda _v},{\lambda _x}\) and \({\lambda _m}\) represent the wavelengths of visible light, \(x\) - rays and microwaves respectively, then :

1 \(\lambda_{v}>\lambda_{m}>\lambda_{x}\)
2 \({\lambda _v} > {\lambda _x} > {\lambda _m}\)
3 \({\lambda _m} > {\lambda _v} > {\lambda _x}\)
4 \({\lambda _m} > {\lambda _x} > {\lambda _v}\)
PHXI15:WAVES

358780 \(X\)-rays, gamma rays and microwaves travelling in vacuum have

1 Same wavelengths but different velocities
2 Same frequency but different velocities
3 Same velocity but different wavelengths
4 Same velocity and same frequency.
PHXI15:WAVES

358781 Which of the following statements is not correct?

1 Photographic plates are sensitive to infrared rays.
2 Photographic plates are sensitive to ultraviolet rays.
3 Infra-red rays are invisible but can cast shadows like visible light.
4 Infra-red photons have more energy than photons of visible light.
PHXI15:WAVES

358782 The nature of electromagnetic wave is

1 Longitudinal
2 Longitudinal stationary
3 Transverse
4 Transverse stationary
PHXI15:WAVES

358778 The decreasing order of wavelength of infrared, microwave, ultraviolet and gamma rays is

1 Infrared, microwave, ultraviolet, gamma rays
2 Gamma rays, ultraviolet, infrared, microwaves
3 Microwaves, gamma rays, infrared, ultraviolet
4 Microwave, infrared, ultraviolet, gamma rays
PHXI15:WAVES

358779 If \({\lambda _v},{\lambda _x}\) and \({\lambda _m}\) represent the wavelengths of visible light, \(x\) - rays and microwaves respectively, then :

1 \(\lambda_{v}>\lambda_{m}>\lambda_{x}\)
2 \({\lambda _v} > {\lambda _x} > {\lambda _m}\)
3 \({\lambda _m} > {\lambda _v} > {\lambda _x}\)
4 \({\lambda _m} > {\lambda _x} > {\lambda _v}\)
PHXI15:WAVES

358780 \(X\)-rays, gamma rays and microwaves travelling in vacuum have

1 Same wavelengths but different velocities
2 Same frequency but different velocities
3 Same velocity but different wavelengths
4 Same velocity and same frequency.
PHXI15:WAVES

358781 Which of the following statements is not correct?

1 Photographic plates are sensitive to infrared rays.
2 Photographic plates are sensitive to ultraviolet rays.
3 Infra-red rays are invisible but can cast shadows like visible light.
4 Infra-red photons have more energy than photons of visible light.
PHXI15:WAVES

358782 The nature of electromagnetic wave is

1 Longitudinal
2 Longitudinal stationary
3 Transverse
4 Transverse stationary