XI Physics | New Book | Chapter 1 | Karachi Board | MCQs | Solved
1. The respective number of significant figures for the numbers 23.023, 0.0003 and 2.1×10-3
are
a. 5, 1, 2 b. 5, 1, 5
c. 5, 5, 2 d. 4, 4, 2
What is the unit of solid angle?
a. Second b. Steradian
c. Kilogram d. Candela
Systemic error can be -----
a. either positive or negative
b. negative only
c. positive only
d. zero error
Dependent variable is
a. cause
b. effect
c. cause and effect
d. reason
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