if two particles of equal masses have kinetic energy in the ratio 1:4 the ratio of their de broglie wavelength will be
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4(a)
125 - [ -20 × -16 + {-3}]
125 - [320 + (-3)]
125 - [ 320 - 3]
125 - 317
- 192.
4(b)
[180 ÷ {12×10 - 15 ×9}] + 2
[180 ÷ { 120 - 135}] + 2
[180 ÷ ( - 15)] + 12
-12 + 12
0
Hope it helps......
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