Wave Nature Of Light Of Matter (de-Broglie)
Dual nature of radiation and Matter

142554 The wavelength of spectral line coming from a distant star shifts from $600 \mathrm{~nm}$ to $600.1 \mathrm{~nm}$. The velocity of the star relative to earth is

1 $50 \mathrm{~km} / \mathrm{s}$
2 $100 \mathrm{~km} / \mathrm{s}$
3 $25 \mathrm{~km} / \mathrm{s}$
4 $200 \mathrm{~km} / \mathrm{s}$
Dual nature of radiation and Matter

142555 What is the momentum of a photon having frequency $1.5 \times 10^{13} \mathrm{~Hz}$ ?

1 $3.3 \times 10^{-29} \mathrm{~kg} \mathrm{~m} / \mathrm{s}$
2 $3.3 \times 10^{-34} \mathrm{~kg} \mathrm{~m} / \mathrm{s}$
3 $6.6 \times 10^{-34} \mathrm{~kg} \mathrm{~m} / \mathrm{s}$
4 $6.6 \times 10^{-32} \mathrm{~kg} \mathrm{~m} / \mathrm{s}$
Dual nature of radiation and Matter

142556 The momentum of photon of an electromagnetic radiation is $3.3 \times 10^{-29} \mathrm{~kg}^{-\mathrm{mg}^{-1}}$. What is the frequency of the associated waves?
$\left(\mathrm{h}=6.6 \times 10^{-34} \mathrm{~J}-\mathrm{s}, \mathrm{c}=3 \times 10^{8} \mathrm{~ms}^{-1}\right.$ )

1 $1.5 \times 10^{13} \mathrm{~Hz}$
2 $7.5 \times 10^{12} \mathrm{~Hz}$
3 $6.0 \times 10^{13} \mathrm{~Hz}$
4 $3.0 \times 10^{3} \mathrm{~Hz}$
Dual nature of radiation and Matter

142557 A radio transmitter operates at a frequency $880 \mathrm{kHz}$ and a power of $10 \mathrm{~kW}$. The number of photons emitted per second is

1 $1.72 \times 10^{31}$
2 $1.327 \times 10^{25}$
3 $1.327 \times 10^{37}$
4 $1.327 \times 10^{45}$
Dual nature of radiation and Matter

142559 An electron of mass $m$ and a photon have same energy $E$. The ratio of de-Broglie wavelengths associated with them is

1 $\left(\frac{E}{2 m}\right)^{1 / 2}$
2 $2(2 \mathrm{mE})^{1 / 2}$
3 $\frac{1}{\mathrm{c}}\left(\frac{2 \mathrm{~m}}{\mathrm{E}}\right)^{1 / 2}$
4 $\frac{1}{\mathrm{c}}\left(\frac{\mathrm{E}}{2 \mathrm{~m}}\right)^{1 / 2}$
Dual nature of radiation and Matter

142554 The wavelength of spectral line coming from a distant star shifts from $600 \mathrm{~nm}$ to $600.1 \mathrm{~nm}$. The velocity of the star relative to earth is

1 $50 \mathrm{~km} / \mathrm{s}$
2 $100 \mathrm{~km} / \mathrm{s}$
3 $25 \mathrm{~km} / \mathrm{s}$
4 $200 \mathrm{~km} / \mathrm{s}$
Dual nature of radiation and Matter

142555 What is the momentum of a photon having frequency $1.5 \times 10^{13} \mathrm{~Hz}$ ?

1 $3.3 \times 10^{-29} \mathrm{~kg} \mathrm{~m} / \mathrm{s}$
2 $3.3 \times 10^{-34} \mathrm{~kg} \mathrm{~m} / \mathrm{s}$
3 $6.6 \times 10^{-34} \mathrm{~kg} \mathrm{~m} / \mathrm{s}$
4 $6.6 \times 10^{-32} \mathrm{~kg} \mathrm{~m} / \mathrm{s}$
Dual nature of radiation and Matter

142556 The momentum of photon of an electromagnetic radiation is $3.3 \times 10^{-29} \mathrm{~kg}^{-\mathrm{mg}^{-1}}$. What is the frequency of the associated waves?
$\left(\mathrm{h}=6.6 \times 10^{-34} \mathrm{~J}-\mathrm{s}, \mathrm{c}=3 \times 10^{8} \mathrm{~ms}^{-1}\right.$ )

1 $1.5 \times 10^{13} \mathrm{~Hz}$
2 $7.5 \times 10^{12} \mathrm{~Hz}$
3 $6.0 \times 10^{13} \mathrm{~Hz}$
4 $3.0 \times 10^{3} \mathrm{~Hz}$
Dual nature of radiation and Matter

142557 A radio transmitter operates at a frequency $880 \mathrm{kHz}$ and a power of $10 \mathrm{~kW}$. The number of photons emitted per second is

1 $1.72 \times 10^{31}$
2 $1.327 \times 10^{25}$
3 $1.327 \times 10^{37}$
4 $1.327 \times 10^{45}$
Dual nature of radiation and Matter

142559 An electron of mass $m$ and a photon have same energy $E$. The ratio of de-Broglie wavelengths associated with them is

1 $\left(\frac{E}{2 m}\right)^{1 / 2}$
2 $2(2 \mathrm{mE})^{1 / 2}$
3 $\frac{1}{\mathrm{c}}\left(\frac{2 \mathrm{~m}}{\mathrm{E}}\right)^{1 / 2}$
4 $\frac{1}{\mathrm{c}}\left(\frac{\mathrm{E}}{2 \mathrm{~m}}\right)^{1 / 2}$
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
Dual nature of radiation and Matter

142554 The wavelength of spectral line coming from a distant star shifts from $600 \mathrm{~nm}$ to $600.1 \mathrm{~nm}$. The velocity of the star relative to earth is

1 $50 \mathrm{~km} / \mathrm{s}$
2 $100 \mathrm{~km} / \mathrm{s}$
3 $25 \mathrm{~km} / \mathrm{s}$
4 $200 \mathrm{~km} / \mathrm{s}$
Dual nature of radiation and Matter

142555 What is the momentum of a photon having frequency $1.5 \times 10^{13} \mathrm{~Hz}$ ?

1 $3.3 \times 10^{-29} \mathrm{~kg} \mathrm{~m} / \mathrm{s}$
2 $3.3 \times 10^{-34} \mathrm{~kg} \mathrm{~m} / \mathrm{s}$
3 $6.6 \times 10^{-34} \mathrm{~kg} \mathrm{~m} / \mathrm{s}$
4 $6.6 \times 10^{-32} \mathrm{~kg} \mathrm{~m} / \mathrm{s}$
Dual nature of radiation and Matter

142556 The momentum of photon of an electromagnetic radiation is $3.3 \times 10^{-29} \mathrm{~kg}^{-\mathrm{mg}^{-1}}$. What is the frequency of the associated waves?
$\left(\mathrm{h}=6.6 \times 10^{-34} \mathrm{~J}-\mathrm{s}, \mathrm{c}=3 \times 10^{8} \mathrm{~ms}^{-1}\right.$ )

1 $1.5 \times 10^{13} \mathrm{~Hz}$
2 $7.5 \times 10^{12} \mathrm{~Hz}$
3 $6.0 \times 10^{13} \mathrm{~Hz}$
4 $3.0 \times 10^{3} \mathrm{~Hz}$
Dual nature of radiation and Matter

142557 A radio transmitter operates at a frequency $880 \mathrm{kHz}$ and a power of $10 \mathrm{~kW}$. The number of photons emitted per second is

1 $1.72 \times 10^{31}$
2 $1.327 \times 10^{25}$
3 $1.327 \times 10^{37}$
4 $1.327 \times 10^{45}$
Dual nature of radiation and Matter

142559 An electron of mass $m$ and a photon have same energy $E$. The ratio of de-Broglie wavelengths associated with them is

1 $\left(\frac{E}{2 m}\right)^{1 / 2}$
2 $2(2 \mathrm{mE})^{1 / 2}$
3 $\frac{1}{\mathrm{c}}\left(\frac{2 \mathrm{~m}}{\mathrm{E}}\right)^{1 / 2}$
4 $\frac{1}{\mathrm{c}}\left(\frac{\mathrm{E}}{2 \mathrm{~m}}\right)^{1 / 2}$
Dual nature of radiation and Matter

142554 The wavelength of spectral line coming from a distant star shifts from $600 \mathrm{~nm}$ to $600.1 \mathrm{~nm}$. The velocity of the star relative to earth is

1 $50 \mathrm{~km} / \mathrm{s}$
2 $100 \mathrm{~km} / \mathrm{s}$
3 $25 \mathrm{~km} / \mathrm{s}$
4 $200 \mathrm{~km} / \mathrm{s}$
Dual nature of radiation and Matter

142555 What is the momentum of a photon having frequency $1.5 \times 10^{13} \mathrm{~Hz}$ ?

1 $3.3 \times 10^{-29} \mathrm{~kg} \mathrm{~m} / \mathrm{s}$
2 $3.3 \times 10^{-34} \mathrm{~kg} \mathrm{~m} / \mathrm{s}$
3 $6.6 \times 10^{-34} \mathrm{~kg} \mathrm{~m} / \mathrm{s}$
4 $6.6 \times 10^{-32} \mathrm{~kg} \mathrm{~m} / \mathrm{s}$
Dual nature of radiation and Matter

142556 The momentum of photon of an electromagnetic radiation is $3.3 \times 10^{-29} \mathrm{~kg}^{-\mathrm{mg}^{-1}}$. What is the frequency of the associated waves?
$\left(\mathrm{h}=6.6 \times 10^{-34} \mathrm{~J}-\mathrm{s}, \mathrm{c}=3 \times 10^{8} \mathrm{~ms}^{-1}\right.$ )

1 $1.5 \times 10^{13} \mathrm{~Hz}$
2 $7.5 \times 10^{12} \mathrm{~Hz}$
3 $6.0 \times 10^{13} \mathrm{~Hz}$
4 $3.0 \times 10^{3} \mathrm{~Hz}$
Dual nature of radiation and Matter

142557 A radio transmitter operates at a frequency $880 \mathrm{kHz}$ and a power of $10 \mathrm{~kW}$. The number of photons emitted per second is

1 $1.72 \times 10^{31}$
2 $1.327 \times 10^{25}$
3 $1.327 \times 10^{37}$
4 $1.327 \times 10^{45}$
Dual nature of radiation and Matter

142559 An electron of mass $m$ and a photon have same energy $E$. The ratio of de-Broglie wavelengths associated with them is

1 $\left(\frac{E}{2 m}\right)^{1 / 2}$
2 $2(2 \mathrm{mE})^{1 / 2}$
3 $\frac{1}{\mathrm{c}}\left(\frac{2 \mathrm{~m}}{\mathrm{E}}\right)^{1 / 2}$
4 $\frac{1}{\mathrm{c}}\left(\frac{\mathrm{E}}{2 \mathrm{~m}}\right)^{1 / 2}$
Dual nature of radiation and Matter

142554 The wavelength of spectral line coming from a distant star shifts from $600 \mathrm{~nm}$ to $600.1 \mathrm{~nm}$. The velocity of the star relative to earth is

1 $50 \mathrm{~km} / \mathrm{s}$
2 $100 \mathrm{~km} / \mathrm{s}$
3 $25 \mathrm{~km} / \mathrm{s}$
4 $200 \mathrm{~km} / \mathrm{s}$
Dual nature of radiation and Matter

142555 What is the momentum of a photon having frequency $1.5 \times 10^{13} \mathrm{~Hz}$ ?

1 $3.3 \times 10^{-29} \mathrm{~kg} \mathrm{~m} / \mathrm{s}$
2 $3.3 \times 10^{-34} \mathrm{~kg} \mathrm{~m} / \mathrm{s}$
3 $6.6 \times 10^{-34} \mathrm{~kg} \mathrm{~m} / \mathrm{s}$
4 $6.6 \times 10^{-32} \mathrm{~kg} \mathrm{~m} / \mathrm{s}$
Dual nature of radiation and Matter

142556 The momentum of photon of an electromagnetic radiation is $3.3 \times 10^{-29} \mathrm{~kg}^{-\mathrm{mg}^{-1}}$. What is the frequency of the associated waves?
$\left(\mathrm{h}=6.6 \times 10^{-34} \mathrm{~J}-\mathrm{s}, \mathrm{c}=3 \times 10^{8} \mathrm{~ms}^{-1}\right.$ )

1 $1.5 \times 10^{13} \mathrm{~Hz}$
2 $7.5 \times 10^{12} \mathrm{~Hz}$
3 $6.0 \times 10^{13} \mathrm{~Hz}$
4 $3.0 \times 10^{3} \mathrm{~Hz}$
Dual nature of radiation and Matter

142557 A radio transmitter operates at a frequency $880 \mathrm{kHz}$ and a power of $10 \mathrm{~kW}$. The number of photons emitted per second is

1 $1.72 \times 10^{31}$
2 $1.327 \times 10^{25}$
3 $1.327 \times 10^{37}$
4 $1.327 \times 10^{45}$
Dual nature of radiation and Matter

142559 An electron of mass $m$ and a photon have same energy $E$. The ratio of de-Broglie wavelengths associated with them is

1 $\left(\frac{E}{2 m}\right)^{1 / 2}$
2 $2(2 \mathrm{mE})^{1 / 2}$
3 $\frac{1}{\mathrm{c}}\left(\frac{2 \mathrm{~m}}{\mathrm{E}}\right)^{1 / 2}$
4 $\frac{1}{\mathrm{c}}\left(\frac{\mathrm{E}}{2 \mathrm{~m}}\right)^{1 / 2}$