9th Class Punjab Board Exams Quizzes MCQs Quizzes Punjab Physics Online 9th Class Test Lesson 1 Physical Quantities and Measurement

Question:
1 nano =

Option A):
10 ̄¹²
Option B):
10 ̄⁹
Option C):
10 ̄¹⁵
Option D):
10 ̄¹⁸

Correct Answer is Option B):
10 ̄⁹