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ncert solutions

10

Jun'21

A 25-watt bulb emits monochromatic yellow light of the wavelength of 0.57µm, Calculate the rate of

A 25-watt bulb emits monochromatic yellow light of the wavelength of 0.57µm, Calculate the rate of A 25-watt bulb emits …

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10

Jun'21

Electromagnetic radiation of wavelength 242 nm is just sufficient to ionise sodium atom, Calculate

Electromagnetic radiation of wavelength 242 nm is just sufficient to ionise sodium atom, Calculate Electromagnetic radiation of wavelength 242 nm …

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10

Jun'21

A photon of wavelength 4 × 10–7 m strikes metal surface, work function of the metal is 2.13 eV.

A photon of wavelength 4 × 10–7 m strikes metal surface, work function of the metal is 2.13 eV. A …

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10

Jun'21

What is the number of photons of light with a wavelength of 4000 pm that provides 1J of energy?

What is the number of photons of light with a wavelength of 4000 pm that provides 1J of energy? What …

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10

Jun'21

Calculate the wavelength, frequency and wavenumber of a light wave whose period is 2.0 × 10–10 s.

Calculate the wavelength, frequency and wavenumber of a light wave whose period is 2.0 × 10–10 s. Calculate the wavelength, …

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10

Jun'21

Find the energy of each of the photons which, correspond to light of frequency 3×1015 Hz

Find the energy of each of the photons which, correspond to light of frequency 3×1015 Hz Find the energy of …

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