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JEE Main 2021 (Online) 26th August Morning Shift
Numerical
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Two spherical balls having equal masses with radius of 5 cm each are thrown upwards along the same vertical direction at an interval of 3s with the same initial velocity of 35 m/s, then these balls collide at a height of ............... m. (Take g = 10 m/s2)
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JEE Main 2021 (Online) 26th August Morning Shift
Numerical
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A soap bubble of radius 3 cm is formed inside the another soap bubble of radius 6 cm. The radius of an equivalent soap bubble which has the same excess pressure as inside the smaller bubble with respect to the atmospheric pressure is ................ cm.
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3
JEE Main 2021 (Online) 26th August Morning Shift
Numerical
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-1
Out of Syllabus
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An amplitude modulated wave is represented by
Cm(t) = 10(1 + 0.2 cos 12560t) sin(111 $$\times$$ 104t) volts. The modulating frequency in kHz will be ................. .
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4
JEE Main 2021 (Online) 26th August Morning Shift
Numerical
+4
-1
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Two short magnetic dipoles m1 and m2 each having magnetic moment of 1 Am2 are placed at point O and P respectively. The distance between OP is 1 meter. The torque experienced by the magnetic dipole m2 due to the presence of m1 is ........... $$\times$$ 10$$-$$7 Nm.

JEE Main 2021 (Online) 26th August Morning Shift Physics - Magnetic Effect of Current Question 99 English
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