A_STRING_OF_LENGTH_0.4M_AND_MASS_10(-2)_KG_IS_TIGHTLY_CLAMPED_AT_ITS_ENDS._THE_TENSION_IN_THE_STRING_IS_1.6N._IDENTICAL_WAVE_PULSES_ARE_PRODUCED_AT_ONE_END_AT_EQUAL_INTERVALS_OF_TIME,_‚ÄÖ√Ñ√∂‚ÀÖ‚Ä†‚ÀÖ√∫T._THE_MINIMUM_VALUE_OF_‚ÄÖ√Ñ√∂‚ÀÖ‚Ä†‚ÀÖ√∫T_WHICH_ALLOWS_CONSTRUCTIVE_INTERFERENCE_BETWEEN_SUCCESSIVE_PULSES_IS?$#

A_STRING_OF_LENGTH_0.4M_AND_MASS_10(-2)_KG_IS_TIGHTLY_CLAMPED_AT_ITS_E

1.	A_STRING_OF_LENGTH_0.4M_AND_MASS_10(-2)_KG_IS_TIGHTLY_CLAMPED_AT_ITS_ENDS._THE_TENSION_IN_THE_STRING_IS_1.6N._IDENTICAL_WAVE_PULSES_ARE_PRODUCED_AT_ONE_END_AT_EQUAL_INTERVALS_OF_TIME,_‚ÄÖ√Ñ√∂‚ÀÖ‚Ä†‚ÀÖ√∫T._THE_MINIMUM_VALUE_OF_‚ÄÖ√Ñ√∂‚ÀÖ‚Ä†‚ÀÖ√∫T_WHICH_ALLOWS_CONSTRUCTIVE_INTERFERENCE_BETWEEN_SUCCESSIVE_PULSES_IS?$#
A.	0.05s
B.	0.10s
C.	0.20s
D.	0.40s
Answer» C. 0.20s