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If two waves having amplitudes a and b make superposition the resultant amplitude A is given as A = 1 √(a^2 + b^2 + 2ab cosφ) where φ is phase constant. The intensity (I)2 is directly proportional to square of amplitude. ...
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1. Statement-I : The sum of mole fraction of all the components of a solutioin is unity. Statement-II : Mole fraction is temperature dependent. 2. Statement-I : Decrease in free energy comes spontaneons reaction. Statement-II ...
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1. By emission of which of the following element remains unchanged a) β^- decay b) γ decay 2. Two lens of power –15D and +5D are placed is contact co-axially. The focal length of equlvalent lens is (A) –10 cm (B) –20 ...
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COL I 1. Frequency of LC Oscillation 2. Mean Circuit power 3. LCR series 4. LCR resonant series COL II a) Resistive circuit b) Impedance c) I^2 Zcos φ d) 1/2piundrtLC ...
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1.Electric field intensity at a point depends upon a)Field Charge b) Test charge c) Permittivity of medium d) (Distance between point & test charge 2. Rydberg is used as unit of a) Wave no. b) Wave length c) Energy in atomic ...