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The equation of common tangent to the circle {{x}^{2}}+{{y}^{2}}=2 and parabola {{y}^{2}}=8x is ...
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The points on the parabola {{y}^{2}}=12x , whose focal distance is 4, are ...
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In a YDSE both slits produce equal intensities on the screen. A 100% transparent thin film is placed in front of one of the slits. Now the intensity of the geometrical center of system on the screen becomes 75% of the previou ...
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An LR circuit with a battery is connected at t =0. Which of the following quantities is not zero just after the connection ? ...
