Physics MCQs

Correct answer A. Sum of their absolute uncertainties

Correct answer D. Only A and B are correct

Correct answer A. Solid angle

Correct answer B. Least count of the instrument

Correct answer B. Only (iii)

Correct answer B. kg m⁻¹ s⁻¹

Correct answer C. S = Vt²

Correct answer D. Only A and B are correct

Correct answer D. Pressure

Correct answer B. Precise

Correct answer C. 3

Correct answer D. It may or may not be significant

Correct answer D. All accurately known digits and the first doubtful digit

Correct answer C. By taking the mean of several measurements

Correct answer D. All of A, B and C

Correct answer D. All the reasons in A, B and C

Correct answer C. 10¹

Correct answer B. 1.024 × 10³

Correct answer D. Powers of ten

Correct answer B. 3