MCQ
The charge on electron was discovered by
- AJ.J. Thomson
- BNeil Bohr
- ✓Millikan
- DChadwick
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(i) $y = a_1\, sin\omega\, t$
(ii) $y = {a_2}\sin (\omega \,t + \phi )$
(iii) $y = {a_1}\sin 2\omega \,t$
(iv) $y = {a_2}\sin 2(\,\omega \,t + \phi )$
Interference fringes may be observed due to superposition of

