142645 The energy of an X-ray photon of wavelength \(1.65 \AA\) is \(\left(\mathrm{h}=6.6 \times 10^{-34} \mathrm{Js}, \mathrm{c}=3 \times 10^8 \mathrm{~ms}^{-1}\right.\);
\(1 \mathrm{eV}=1.6 \times 10^{-19} \text { ) }\)

142647 The \(X\)-ray wavelength of \(L_a\) line of platinum ( \(Z\) \(=78\) ) is \(1.30 \AA\). The \(X\)-ray wavelength of \(L_{\text {a }}\) line of molybdenum \((Z=42)\) is

142649 An X-ray tube produces a continuous spectrum of radiation with its shortest wavelength of \(45 \times 10^{-2} \AA\). The maximum energy of a photon in the radiation in \(\mathrm{eV}\) is.
\(\left(\mathrm{h}=6.62 \times 10^{-34} \mathrm{~J}-\mathrm{s}, \mathrm{c}=3 \times 10^8 \mathrm{~ms}^{-1}\right)\)

142650 X-rays of wave length \(0.140 \mathrm{~nm}\) are scattered from a block of carbon. What will be the wavelength of \(\mathrm{X}\)-rays scattered at \(9^{\circ}\) ?

142645 The energy of an X-ray photon of wavelength \(1.65 \AA\) is \(\left(\mathrm{h}=6.6 \times 10^{-34} \mathrm{Js}, \mathrm{c}=3 \times 10^8 \mathrm{~ms}^{-1}\right.\);
\(1 \mathrm{eV}=1.6 \times 10^{-19} \text { ) }\)

142647 The \(X\)-ray wavelength of \(L_a\) line of platinum ( \(Z\) \(=78\) ) is \(1.30 \AA\). The \(X\)-ray wavelength of \(L_{\text {a }}\) line of molybdenum \((Z=42)\) is

142649 An X-ray tube produces a continuous spectrum of radiation with its shortest wavelength of \(45 \times 10^{-2} \AA\). The maximum energy of a photon in the radiation in \(\mathrm{eV}\) is.
\(\left(\mathrm{h}=6.62 \times 10^{-34} \mathrm{~J}-\mathrm{s}, \mathrm{c}=3 \times 10^8 \mathrm{~ms}^{-1}\right)\)

142650 X-rays of wave length \(0.140 \mathrm{~nm}\) are scattered from a block of carbon. What will be the wavelength of \(\mathrm{X}\)-rays scattered at \(9^{\circ}\) ?

142645 The energy of an X-ray photon of wavelength \(1.65 \AA\) is \(\left(\mathrm{h}=6.6 \times 10^{-34} \mathrm{Js}, \mathrm{c}=3 \times 10^8 \mathrm{~ms}^{-1}\right.\);
\(1 \mathrm{eV}=1.6 \times 10^{-19} \text { ) }\)

142647 The \(X\)-ray wavelength of \(L_a\) line of platinum ( \(Z\) \(=78\) ) is \(1.30 \AA\). The \(X\)-ray wavelength of \(L_{\text {a }}\) line of molybdenum \((Z=42)\) is

142649 An X-ray tube produces a continuous spectrum of radiation with its shortest wavelength of \(45 \times 10^{-2} \AA\). The maximum energy of a photon in the radiation in \(\mathrm{eV}\) is.
\(\left(\mathrm{h}=6.62 \times 10^{-34} \mathrm{~J}-\mathrm{s}, \mathrm{c}=3 \times 10^8 \mathrm{~ms}^{-1}\right)\)

142650 X-rays of wave length \(0.140 \mathrm{~nm}\) are scattered from a block of carbon. What will be the wavelength of \(\mathrm{X}\)-rays scattered at \(9^{\circ}\) ?

142645 The energy of an X-ray photon of wavelength \(1.65 \AA\) is \(\left(\mathrm{h}=6.6 \times 10^{-34} \mathrm{Js}, \mathrm{c}=3 \times 10^8 \mathrm{~ms}^{-1}\right.\);
\(1 \mathrm{eV}=1.6 \times 10^{-19} \text { ) }\)

142647 The \(X\)-ray wavelength of \(L_a\) line of platinum ( \(Z\) \(=78\) ) is \(1.30 \AA\). The \(X\)-ray wavelength of \(L_{\text {a }}\) line of molybdenum \((Z=42)\) is

142649 An X-ray tube produces a continuous spectrum of radiation with its shortest wavelength of \(45 \times 10^{-2} \AA\). The maximum energy of a photon in the radiation in \(\mathrm{eV}\) is.
\(\left(\mathrm{h}=6.62 \times 10^{-34} \mathrm{~J}-\mathrm{s}, \mathrm{c}=3 \times 10^8 \mathrm{~ms}^{-1}\right)\)

142650 X-rays of wave length \(0.140 \mathrm{~nm}\) are scattered from a block of carbon. What will be the wavelength of \(\mathrm{X}\)-rays scattered at \(9^{\circ}\) ?