Q.

Momentum of electron having mass 9.1 × 10 -31 kg and velocity 2.0 ×107 is {{}}

A. 1.91 × 10-23
B. 2.34 × 10-23
C. 3.11 × 10-19
D. 7.88 × 10-34
Answer» A. 1.91 × 10-23
1k
0
Do you find this helpful?
4

View all MCQs in

A Level Physics

Discussion

No comments yet