Electromagnetic Waves
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PHXI15:WAVES

358852 Electromagnetic waves are incident normally on a perfectly reflecting surface having surface area A . If \({I}\) is the intensity of the incident electromagnetic radiation and \({c}\) is the speed of light in vacuum, the force exerted by the electromagnetic wave on the reflecting surface is

1 \({\dfrac{2 I A}{c}}\)
2 \({\dfrac{I A}{c}}\)
3 \({\dfrac{I A}{2 c}}\)
4 \({\dfrac{I}{2 A c}}\)
KCET - 2024
PHXI15:WAVES

358853 If the total energy transferred to a surface in time \(t\) is \(6.48 \times {10^5}\;J,\) then the magnitude of the total momentum delivered to this surface for complete absorption will be

1 \(1.58 \times {10^{ - 3}}\;kg\;m/s\)
2 \(4.32 \times {10^{ - 3}}\;kg\;m/s\)
3 \(2.16 \times {10^{ - 3}}\;kg\;m/s\)
4 \(2.46 \times {10^{ - 3}}\;kg\;m/s\)
JEE - 2024
PHXI15:WAVES

358854 An earth-orbiting satellite has solar energy collecting panel with total area \(5\;{m^2}\). If solar radiations are perpendicular and completely absorbed find the average force associated with the radiation pressure.  \(\left( {{\rm{Solar}}\,{\rm{constant}} = 1.4 \times {{10}^3}\frac{W}{{{m^2}}}} \right)\)

1 \(2.33 \times {10^{ - 5}}\;N\)
2 \(2.33 \times {10^3}\;N\)
3 \(2.33 \times {10^{ - 6}}\;N\)
4 \(2.33 \times {10^{ - 4}}\;N\)
PHXI15:WAVES

358855 A light beam of intensity \(20\;W\;c{m^{ - 2}}\) is incident normally on a perfectly reflecting surface of sides \(25\;cm \times 15\;cm\). The momentum imparted to the surface by the light per second is

1 \(5 \times 10^{-5} \mathrm{~kg} \mathrm{~ms}^{-1}\)
2 \(1.2 \times 10^{-5} \mathrm{~kg} \mathrm{~ms}^{-1}\)
3 \(2 \times 10^{-5} \mathrm{~kg} \mathrm{~ms}^{-1}\)
4 \(1 \times 10^{-5} \mathrm{~kg} \mathrm{~ms}^{-1}\)
KCET - 2020
NEET DIGITAL LIBRARY
PHXI15:WAVES

358852 Electromagnetic waves are incident normally on a perfectly reflecting surface having surface area A . If \({I}\) is the intensity of the incident electromagnetic radiation and \({c}\) is the speed of light in vacuum, the force exerted by the electromagnetic wave on the reflecting surface is

1 \({\dfrac{2 I A}{c}}\)
2 \({\dfrac{I A}{c}}\)
3 \({\dfrac{I A}{2 c}}\)
4 \({\dfrac{I}{2 A c}}\)
KCET - 2024
PHXI15:WAVES

358853 If the total energy transferred to a surface in time \(t\) is \(6.48 \times {10^5}\;J,\) then the magnitude of the total momentum delivered to this surface for complete absorption will be

1 \(1.58 \times {10^{ - 3}}\;kg\;m/s\)
2 \(4.32 \times {10^{ - 3}}\;kg\;m/s\)
3 \(2.16 \times {10^{ - 3}}\;kg\;m/s\)
4 \(2.46 \times {10^{ - 3}}\;kg\;m/s\)
JEE - 2024
PHXI15:WAVES

358854 An earth-orbiting satellite has solar energy collecting panel with total area \(5\;{m^2}\). If solar radiations are perpendicular and completely absorbed find the average force associated with the radiation pressure.  \(\left( {{\rm{Solar}}\,{\rm{constant}} = 1.4 \times {{10}^3}\frac{W}{{{m^2}}}} \right)\)

1 \(2.33 \times {10^{ - 5}}\;N\)
2 \(2.33 \times {10^3}\;N\)
3 \(2.33 \times {10^{ - 6}}\;N\)
4 \(2.33 \times {10^{ - 4}}\;N\)
PHXI15:WAVES

358855 A light beam of intensity \(20\;W\;c{m^{ - 2}}\) is incident normally on a perfectly reflecting surface of sides \(25\;cm \times 15\;cm\). The momentum imparted to the surface by the light per second is

1 \(5 \times 10^{-5} \mathrm{~kg} \mathrm{~ms}^{-1}\)
2 \(1.2 \times 10^{-5} \mathrm{~kg} \mathrm{~ms}^{-1}\)
3 \(2 \times 10^{-5} \mathrm{~kg} \mathrm{~ms}^{-1}\)
4 \(1 \times 10^{-5} \mathrm{~kg} \mathrm{~ms}^{-1}\)
KCET - 2020
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PHXI15:WAVES

358852 Electromagnetic waves are incident normally on a perfectly reflecting surface having surface area A . If \({I}\) is the intensity of the incident electromagnetic radiation and \({c}\) is the speed of light in vacuum, the force exerted by the electromagnetic wave on the reflecting surface is

1 \({\dfrac{2 I A}{c}}\)
2 \({\dfrac{I A}{c}}\)
3 \({\dfrac{I A}{2 c}}\)
4 \({\dfrac{I}{2 A c}}\)
KCET - 2024
PHXI15:WAVES

358853 If the total energy transferred to a surface in time \(t\) is \(6.48 \times {10^5}\;J,\) then the magnitude of the total momentum delivered to this surface for complete absorption will be

1 \(1.58 \times {10^{ - 3}}\;kg\;m/s\)
2 \(4.32 \times {10^{ - 3}}\;kg\;m/s\)
3 \(2.16 \times {10^{ - 3}}\;kg\;m/s\)
4 \(2.46 \times {10^{ - 3}}\;kg\;m/s\)
JEE - 2024
PHXI15:WAVES

358854 An earth-orbiting satellite has solar energy collecting panel with total area \(5\;{m^2}\). If solar radiations are perpendicular and completely absorbed find the average force associated with the radiation pressure.  \(\left( {{\rm{Solar}}\,{\rm{constant}} = 1.4 \times {{10}^3}\frac{W}{{{m^2}}}} \right)\)

1 \(2.33 \times {10^{ - 5}}\;N\)
2 \(2.33 \times {10^3}\;N\)
3 \(2.33 \times {10^{ - 6}}\;N\)
4 \(2.33 \times {10^{ - 4}}\;N\)
PHXI15:WAVES

358855 A light beam of intensity \(20\;W\;c{m^{ - 2}}\) is incident normally on a perfectly reflecting surface of sides \(25\;cm \times 15\;cm\). The momentum imparted to the surface by the light per second is

1 \(5 \times 10^{-5} \mathrm{~kg} \mathrm{~ms}^{-1}\)
2 \(1.2 \times 10^{-5} \mathrm{~kg} \mathrm{~ms}^{-1}\)
3 \(2 \times 10^{-5} \mathrm{~kg} \mathrm{~ms}^{-1}\)
4 \(1 \times 10^{-5} \mathrm{~kg} \mathrm{~ms}^{-1}\)
KCET - 2020
For More Updates join with Us
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
PHXI15:WAVES

358852 Electromagnetic waves are incident normally on a perfectly reflecting surface having surface area A . If \({I}\) is the intensity of the incident electromagnetic radiation and \({c}\) is the speed of light in vacuum, the force exerted by the electromagnetic wave on the reflecting surface is

1 \({\dfrac{2 I A}{c}}\)
2 \({\dfrac{I A}{c}}\)
3 \({\dfrac{I A}{2 c}}\)
4 \({\dfrac{I}{2 A c}}\)
KCET - 2024
PHXI15:WAVES

358853 If the total energy transferred to a surface in time \(t\) is \(6.48 \times {10^5}\;J,\) then the magnitude of the total momentum delivered to this surface for complete absorption will be

1 \(1.58 \times {10^{ - 3}}\;kg\;m/s\)
2 \(4.32 \times {10^{ - 3}}\;kg\;m/s\)
3 \(2.16 \times {10^{ - 3}}\;kg\;m/s\)
4 \(2.46 \times {10^{ - 3}}\;kg\;m/s\)
JEE - 2024
PHXI15:WAVES

358854 An earth-orbiting satellite has solar energy collecting panel with total area \(5\;{m^2}\). If solar radiations are perpendicular and completely absorbed find the average force associated with the radiation pressure.  \(\left( {{\rm{Solar}}\,{\rm{constant}} = 1.4 \times {{10}^3}\frac{W}{{{m^2}}}} \right)\)

1 \(2.33 \times {10^{ - 5}}\;N\)
2 \(2.33 \times {10^3}\;N\)
3 \(2.33 \times {10^{ - 6}}\;N\)
4 \(2.33 \times {10^{ - 4}}\;N\)
PHXI15:WAVES

358855 A light beam of intensity \(20\;W\;c{m^{ - 2}}\) is incident normally on a perfectly reflecting surface of sides \(25\;cm \times 15\;cm\). The momentum imparted to the surface by the light per second is

1 \(5 \times 10^{-5} \mathrm{~kg} \mathrm{~ms}^{-1}\)
2 \(1.2 \times 10^{-5} \mathrm{~kg} \mathrm{~ms}^{-1}\)
3 \(2 \times 10^{-5} \mathrm{~kg} \mathrm{~ms}^{-1}\)
4 \(1 \times 10^{-5} \mathrm{~kg} \mathrm{~ms}^{-1}\)
KCET - 2020
NEET DIGITAL LIBRARY