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Monochromatic light of frequency 6.0 ×1014 Hz is produced by a laser. The power emitted is 2.0 ×10–3 W. What is the energy of a photon in the light

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Monochromatic light of frequency 6.0 ×1014 Hz is produced by a laser. The power emitted is 2.0 ×10–3 W. How many photons per second, on an average, are emitted by the

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The work function of caesium is 2.14 eV. Find the wavelength of the incident light if the photocurrent is brought to zero by a stopping potential of 0.60

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The wavelength of light in the visible region is about 390 nm for violet colour, about 550 nm (average wavelength) for yellowgreen colour and about 760 nm for red colour. What are the energies of photons in (eV) at the (i) violet end, (ii) average wavelength, yellow-green colour, and

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The wavelength of light in the visible region is about 390 nm for violet colour, about 550 nm (average wavelength) for yellowgreen colour and about 760 nm for red colour. From which of the photosensitive materials with work functions listed in Table 11.1 and using the results of (i),

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What is the de Broglie wavelength associated with an electron moving with a speed of 5.4×106

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What is the de Broglie wavelength associated with a ball of mass 150 g travelling at 30.0

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An electron, an α-particle, and a proton have the same kinetic energy. Which of these particles has the shortest de Broglie

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A particle is moving three times as fast as an electron. The ratio of the de Broglie wavelength of the particle to that of the electron is 1.813 × 10–4. Calculate the particle’s mass and identify the

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What is the de Broglie wavelength associated with an electron, accelerated through a potential differnece of 100

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What is the de Broglie wavelength of a bullet of mass 0.040 kg travelling at the speed of 1.0

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What is the de Broglie wavelength of a ball of mass 0.060 kg moving at a speed of 1.0

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What is the de Broglie wavelength of a dust particle of mass 1.0 × 10–9 kg drifting with a speed of 2.2

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An electron and a photon each have a wavelength of 1.00 nm. Find their

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An electron and a photon each have a wavelength of 1.00 nm. Find the energy of the

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An electron and a photon each have a wavelength of 1.00 nm. Find the kinetic energy of

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For what kinetic energy of a neutron will the associated de Broglie wavelength be 1.40 × 10–10

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Also find the de Broglie wavelength of a neutron, in thermal equilibrium with matter, having an average kinetic energy of (3/2) k T at 300

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Derive an expression for debroglie wavelength of an

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Light of wavelength `2000A^o` falls on an aluminum surface. In aluminum 4.2 eV are required to remove an electron. What is the kinetic energy of (a) fastest (b) the slowest

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