Chemistry for class X1 Sindh text book board

Degree Level: College

 

Question:

In an electron gun of a television set an electron with initial speed of 10 cube metre per second enters a region where it is electrically accelerated.it emerges out of this region after 1 microsecond with speed of 4×10 m/s. What is the maximum length of the electron gun? Calculate the acceleration?

Answer:

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