Physics · 2011
NEET 2011 · Prelims · Code A · Q34
Sound waves travel at 350 m/s through a warm air and at 3500 m/s through brass. The wavelength of a 700 Hz acoustic wave as it enters brass from warm…
Sound waves travel at $\displaystyle 350$ m/s through a warm air and at $\displaystyle 3500$ m/s through brass. The wavelength of a $\displaystyle 700$ Hz acoustic wave as it enters brass from warm air :
Official answer
(4)
increases by a factor $\displaystyle 10$
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NEET (UG) 2011 Physics question, with the answer from NTA’s final answer key. Where our answers come from.