Two pulses in a stretched string whose centres are initially 8 cm apart are moving…
Physics · JEE Advanced · NTA Exams — Oscillations and Waves
Two pulses in a stretched string whose centres are initially 8 cm apart are moving towards each other as shown in the figure. The speed of each pulse is 2 cm/s. After 2 second, the total energy of the pulses will be
- zero
- purely kinetic
- purely potential
- partly kinetic and partly potential
Answer
(D) partly kinetic and partly potential
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