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The value of Planck's constant in SI units is:
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From the theory of relativity, the momentum $\rho$ of the photon is expressed as:
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The value of Stefan's constant in SI units is:
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The value of Wien's constant in SI units is:
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The ratio of energy E to the corresponding frequency (f) of the radiation (emitted or absorbed) is called:
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Planck suggested that energy is radiated or absorbed:
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The radiation energy:
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Wien's constant is measured in:
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The product of $\lambda_{m}$ and T is called:
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The intensity of emitted energy (with wavelength) radiated from a black body at different temperature was initially measured by:
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Black color is:
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As the platinum wire is heated, its color changes from:
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When platinum wire is heated, then at the temperature of $500^{\circ}C$, it becomes:
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As the temperature of a hot body rises, the proportion of:
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A radiation of longer wavelength:
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At high temperature, the hot body emits radiations of:
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At low temperature, the hot body emits radiations of:
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The nature of radiations emitted by a hot body depends upon its:
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By taking the relatively effects into account, the location and speed anywhere on Earth can be determined to an accuracy of about:
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It implies from $\triangle m=\frac{\triangle E}{c^{2}}$ that to get even a small increase in mass of an object, we require:
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According to special theory of relativity, mass and energy are:
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When the atomic particles are moving with velocities approaching that of light:
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The ratio of speed of light to the orbital speed of Earth is:
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Earth's orbital speed is:
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Mass of an object:
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