In order to find the internal structure of nucleus, electrons should be accelerated by voltages up to?

In order to find the internal structure of nucleus, electrons should be accelerated by voltages up to?

نیوکلئس کی اندرونی ساخت معلوم کرنے کے لیے، الیکٹرانوں کو وولٹیج کے ذریعے تیز کیا جانا چاہیے؟
Explanation

Electrons are accelerated by voltages up to 10^9 V in order to find the internal structure of a nucleus.