MPSC PYQ

MPSC Rajyaseva 2022 CSAT — Question 23

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खालील परिकल्पित अभिक्रिया पूर्ण करा : 235 92 U + 1 0 n -> x 54 Xe + y 38 Sr + 4 1 0 n

(a)x = 141, y = 91

(b)x = 139, y = 93

(c)x = 141, y = 93

(d)x = 139, y = 95

1)फक्त (b) आणि (d) / Only (b) and (d)
2)फक्त (a) आणि (c) / Only (a) and (c)
3)फक्त (a) आणि (b) / Only (a) and (b)✓ Correct
4)फक्त (c) आणि (d) / Only (c) and (d)

In nuclear fission of Uranium-235 bombarded by a neutron, mass numbers and atomic numbers must balance. Solving for standard fission fragments gives x = 141, y = 92 or 91 with varying neutron counts, fitting options (a) and (b).

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