In the reaction ₉₂U²³⁴→₈₇Y²²², how many α-particle and β-particles are emitted respectively?
Options
(a) 3,5 (b) 5,3 (c) 3,3 (d) 3,1
Correct Answer:
3,1
Explanation:
Change in A = 234 – 222 = 12
The minimum wavelength of X-rays produced in a Collidge tube operated at potential difference of 40 kV is
Options
(a) 0.31 Å (b) 3.1 Å (c) 31 Å (d) 311 Å
Correct Answer: […]
The ratio of specific charge of an α-particle to that of a proton is
Options
(a) (1:2) (b) (2:1) (c) (1:1) (d) (1:3)
Correct Answer:
(1:2)
Explanation:
No explanation available. Be the first […]
A spring when stretched by 2mm containing energy 4 J. If it is stretched by 10 mm, its potential energy becomes equal to
Options
(a) 4 J (b) 54 J (c) 415 J (d) […]
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