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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > An (α)-particle and a proton are both simultaneously projected in opposite direction into a region of constant magnetic field perpendicular to the direction of the field. After some time it is found that the velocity of the (α)-particle has changed in a direction by 45∘. Then at this time, the angle between velocity vectors of (α)-particle and proton is

An (α)-particle and a proton are both simultaneously projected in opposite direction into a region of constant magnetic field perpendicular to the direction of the field. After some time it is found that the velocity of the (α)-particle has changed in a direction by 45∘. Then at this time, the angle between velocity vectors of (α)-particle and proton is

0) is placed in x−y plane as shown in figure. The force on semicircular wire will be 2 A uniform magnetic field B =(3 i ^ +4 j ^ ​ + k ^ ) exists in region of space. A semicircular wire of radius 1 m carrying current 1 A having its centre at (2