Electromagnetic Waves
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PHXI15:WAVES

358861 The sun delivers \(\overrightarrow {{{10}^3}\;W/{m^2}} \) of electromagnetic flux to the earth's surface. The total power that is incident on a roof of dimensions \(8\;m \times 20\;m\) is \(1.6 \times {10^5}\;W\), the radiation force on the roof will be (Assume complete absorption)

1 \(7.33 \times {10^{ - 3}}\;N\)
2 \(5.33 \times {10^{ - 4}}\;N\)
3 \(9.33 \times {10^{ - 2}}\;N\)
4 \(3.33 \times {10^{ - 5}}\;N\)
PHXI15:WAVES

358862 A plane electromagnetic wave is incident on a material surface. If the wave delivers momentum \(p\) and energy \(E\), then

1 \(p = 0,E = 0\)
2 \(p \ne 0,E \ne 0\)
3 \(p \ne 0,E = 0\)
4 \(p = 0,E \ne 0\)
PHXI15:WAVES

358863 An object is placed in a medium of redfractive index 3. An electromagnetic wave of intensity \(6 \times {10^8}\;W{\rm{/}}{m^2}\) falls normally on the object and it is absorbed completely. The radiation pressure on the object would be (speed of light in free space \( = 3 \times {10^8}\;m{\rm{/}}s\)):

1 \(2\,N{m^{ - 2}}\)
2 \(18\,N{m^{ - 2}}\)
3 \(6\,N{m^{ - 2}}\)
4 \(36\,N{m^{ - 2}}\)
JEE - 2024
PHXI15:WAVES

358864 A plane electromagnetic wave of wave intensity \(6\;W/{m^2}\) strikes a small mirror of area \(40\;c{m^2}\), held perpendicular to the approaching wave. The momentum transferred by wave to the mirror each second will be

1 \(4.8 \times {10^{ - 8}}\;kg - m/s\)
2 \(3.2 \times {10^{ - 9}}\;kg - m/s\)
3 \(6.4 \times {10^{ - 7}}\;kg - m/s\)
4 \(1.6 \times {10^{ - 10}}\;kg - m/s\)
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PHXI15:WAVES

358861 The sun delivers \(\overrightarrow {{{10}^3}\;W/{m^2}} \) of electromagnetic flux to the earth's surface. The total power that is incident on a roof of dimensions \(8\;m \times 20\;m\) is \(1.6 \times {10^5}\;W\), the radiation force on the roof will be (Assume complete absorption)

1 \(7.33 \times {10^{ - 3}}\;N\)
2 \(5.33 \times {10^{ - 4}}\;N\)
3 \(9.33 \times {10^{ - 2}}\;N\)
4 \(3.33 \times {10^{ - 5}}\;N\)
PHXI15:WAVES

358862 A plane electromagnetic wave is incident on a material surface. If the wave delivers momentum \(p\) and energy \(E\), then

1 \(p = 0,E = 0\)
2 \(p \ne 0,E \ne 0\)
3 \(p \ne 0,E = 0\)
4 \(p = 0,E \ne 0\)
PHXI15:WAVES

358863 An object is placed in a medium of redfractive index 3. An electromagnetic wave of intensity \(6 \times {10^8}\;W{\rm{/}}{m^2}\) falls normally on the object and it is absorbed completely. The radiation pressure on the object would be (speed of light in free space \( = 3 \times {10^8}\;m{\rm{/}}s\)):

1 \(2\,N{m^{ - 2}}\)
2 \(18\,N{m^{ - 2}}\)
3 \(6\,N{m^{ - 2}}\)
4 \(36\,N{m^{ - 2}}\)
JEE - 2024
PHXI15:WAVES

358864 A plane electromagnetic wave of wave intensity \(6\;W/{m^2}\) strikes a small mirror of area \(40\;c{m^2}\), held perpendicular to the approaching wave. The momentum transferred by wave to the mirror each second will be

1 \(4.8 \times {10^{ - 8}}\;kg - m/s\)
2 \(3.2 \times {10^{ - 9}}\;kg - m/s\)
3 \(6.4 \times {10^{ - 7}}\;kg - m/s\)
4 \(1.6 \times {10^{ - 10}}\;kg - m/s\)
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PHXI15:WAVES

358861 The sun delivers \(\overrightarrow {{{10}^3}\;W/{m^2}} \) of electromagnetic flux to the earth's surface. The total power that is incident on a roof of dimensions \(8\;m \times 20\;m\) is \(1.6 \times {10^5}\;W\), the radiation force on the roof will be (Assume complete absorption)

1 \(7.33 \times {10^{ - 3}}\;N\)
2 \(5.33 \times {10^{ - 4}}\;N\)
3 \(9.33 \times {10^{ - 2}}\;N\)
4 \(3.33 \times {10^{ - 5}}\;N\)
PHXI15:WAVES

358862 A plane electromagnetic wave is incident on a material surface. If the wave delivers momentum \(p\) and energy \(E\), then

1 \(p = 0,E = 0\)
2 \(p \ne 0,E \ne 0\)
3 \(p \ne 0,E = 0\)
4 \(p = 0,E \ne 0\)
PHXI15:WAVES

358863 An object is placed in a medium of redfractive index 3. An electromagnetic wave of intensity \(6 \times {10^8}\;W{\rm{/}}{m^2}\) falls normally on the object and it is absorbed completely. The radiation pressure on the object would be (speed of light in free space \( = 3 \times {10^8}\;m{\rm{/}}s\)):

1 \(2\,N{m^{ - 2}}\)
2 \(18\,N{m^{ - 2}}\)
3 \(6\,N{m^{ - 2}}\)
4 \(36\,N{m^{ - 2}}\)
JEE - 2024
PHXI15:WAVES

358864 A plane electromagnetic wave of wave intensity \(6\;W/{m^2}\) strikes a small mirror of area \(40\;c{m^2}\), held perpendicular to the approaching wave. The momentum transferred by wave to the mirror each second will be

1 \(4.8 \times {10^{ - 8}}\;kg - m/s\)
2 \(3.2 \times {10^{ - 9}}\;kg - m/s\)
3 \(6.4 \times {10^{ - 7}}\;kg - m/s\)
4 \(1.6 \times {10^{ - 10}}\;kg - m/s\)
For More Updates join with Us
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
PHXI15:WAVES

358861 The sun delivers \(\overrightarrow {{{10}^3}\;W/{m^2}} \) of electromagnetic flux to the earth's surface. The total power that is incident on a roof of dimensions \(8\;m \times 20\;m\) is \(1.6 \times {10^5}\;W\), the radiation force on the roof will be (Assume complete absorption)

1 \(7.33 \times {10^{ - 3}}\;N\)
2 \(5.33 \times {10^{ - 4}}\;N\)
3 \(9.33 \times {10^{ - 2}}\;N\)
4 \(3.33 \times {10^{ - 5}}\;N\)
PHXI15:WAVES

358862 A plane electromagnetic wave is incident on a material surface. If the wave delivers momentum \(p\) and energy \(E\), then

1 \(p = 0,E = 0\)
2 \(p \ne 0,E \ne 0\)
3 \(p \ne 0,E = 0\)
4 \(p = 0,E \ne 0\)
PHXI15:WAVES

358863 An object is placed in a medium of redfractive index 3. An electromagnetic wave of intensity \(6 \times {10^8}\;W{\rm{/}}{m^2}\) falls normally on the object and it is absorbed completely. The radiation pressure on the object would be (speed of light in free space \( = 3 \times {10^8}\;m{\rm{/}}s\)):

1 \(2\,N{m^{ - 2}}\)
2 \(18\,N{m^{ - 2}}\)
3 \(6\,N{m^{ - 2}}\)
4 \(36\,N{m^{ - 2}}\)
JEE - 2024
PHXI15:WAVES

358864 A plane electromagnetic wave of wave intensity \(6\;W/{m^2}\) strikes a small mirror of area \(40\;c{m^2}\), held perpendicular to the approaching wave. The momentum transferred by wave to the mirror each second will be

1 \(4.8 \times {10^{ - 8}}\;kg - m/s\)
2 \(3.2 \times {10^{ - 9}}\;kg - m/s\)
3 \(6.4 \times {10^{ - 7}}\;kg - m/s\)
4 \(1.6 \times {10^{ - 10}}\;kg - m/s\)