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The work function of sodium is `2.3` eV. The threshold wavelength of sodium will be
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Let `V` and `H` be the vertical and horizontal components of earth's magnetic field at any point o
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The value of integral `int _(-3/2)^(3/2) sin^3 x cos^2 x dx` is
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If `alpha =sin^( -1) (cos (sin^( -1) x))` and `beta = cos^(-1)(sin (cos^(-1)x))` then `tan alpha *
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If one mole of a monoatomic gas `( gamma = 5/3)` is mixed with one mole of a diatomic gas `( gamma
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If `iz^3 + z^2- z + i = 0`, then `| z|` is equal to
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