Measurements MCQs

Option A: 1mm

Option B: 10km

Option C: 1000um

Option D: Both A and B

Correct Answer: 1000um ✔

Option A: 76.8

Option B: 77

Option C: 76.9

Option D: None of these

Correct Answer: 77 ✔

Option A: 4

Option B: 3

Option C: 2

Option D: None of these

Correct Answer: 4 ✔

Option A: Highly precise instrument

Option B: Conduct at room temperature

Option C: Count number of vibration

Option D: Both a and C

Correct Answer: Both a and C ✔

Option A: 3

Option B: 5

Option C: 2

Option D: None

Correct Answer: None ✔

Option A: Percentage uncertainties are added

Option B: Absolute uncertainties are added

Option C: Percentage uncertainties are divided

Option D: Absolute uncertainties are divided

Correct Answer: Percentage uncertainties are added ✔

Option A: Random error

Option B: Personal error

Option C: Systematic error

Option D: Classified error

Correct Answer: Systematic error ✔

Option A: f=vt

Option B: S=Vit+1/2at2

Option C: V=St

Option D: V=f/t

Correct Answer: S=Vit+1/2at2 ✔

Option A: Newton/Meter2

Option B: newton/meter2

Option C: Newton/meter2

Option D: newton/Meter2

Correct Answer: newton/meter2 ✔

Option A: Electric current

Option B: Electric charge

Option C: Plane angle

Option D: Amount of substance

Correct Answer: Electric charge ✔

Option A: 9.5x1015m

Option B: 9.5x1015sec

Option C: 9.5x1015Km

Option D: 9.5x1015cm

Correct Answer: 9.5x1015m ✔

Option A: 1

Option B: 2

Option C: 3

Option D: 4

Correct Answer: 3 ✔

Option A: Newton, n

Option B: Newton, N

Option C: newton, n

Option D: newton, N

Correct Answer: newton, N ✔

Option A: Nm2Kg2

Option B: Nm2Kg

Option C: Nm2Kg-2

Option D: None

Correct Answer: Nm2Kg ✔

Option A: 10 raised to power -15

Option B: 10 raised to power -12

Option C: 10 raised to power -9

Option D: 10 raised to power -6

Correct Answer: 10 raised to power -12 ✔

Option A: Giga

Option B: Beta

Option C: Mega

Option D: Deca

Correct Answer: Giga ✔

Option A: Sum of their absolute uncertainties

Option B: The difference of their absolute uncertainties

Option C: The product of their absolute uncertainties

Option D: Division of their absolute uncertainties

Correct Answer: Sum of their absolute uncertainties ✔

Option A: Accessible

Option B: Invariable

Option C: Transportable

Option D: Only a and b are correct

Correct Answer: Only a and b are correct ✔

Option A: Plane angle

Option B: Solid angle

Option C: Both plane angle and solid angle

Option D: Neither plane angle nor solid angle

Correct Answer: Solid angle ✔

Option A: The magnitude of the measurement

Option B: Least count of the instrument

Option C: Percentage error in the measurement

Option D: All of a, b and C

Correct Answer: Least count of the instrument ✔

Option A: Only (i)

Option B: Only (ii)

Option C: Only (iii)

Option D: Both (i) and (ii)

Correct Answer: Only (iii) ✔

Option A: Kg.m.S-1

Option B: Kg m-1.S-1

Option C: Kg.m.S

Option D: Kg-1.m-1.S-1

Correct Answer: Kg m-1.S-1 ✔

Option A: E=mc2

Option B: Vf=Vi+at

Option C: S=Vt2

Option D: S=1/2at2

Correct Answer: S=Vt2 ✔

Option A: Deriving a possible formula

Option B: Checking the homogeneity of a physical equation

Option C: Verification of laws

Option D: Only A and B are correct

Correct Answer: Only A and B are correct ✔

Option A: Force

Option B: Pressure

Option C: Momentum

Option D: Energy

Correct Answer: Pressure ✔

Option A: MLT-1

Option B: MLT-2

Option C: ML-1T

Option D: ML-1T-2

Correct Answer: MLT-2 ✔

Option A: Accurate

Option B: Precise

Option C: Accurate and precise

Option D: None of these

Correct Answer: Precise ✔

Option A: 3

Option B: 4

Option C: 5

Option D: 2

Correct Answer: 3 ✔

Option A: May be significant may not significant

Option B: Always significant

Option C: Always insignificant sign

Option D: Significant only if left to a significant figure

Correct Answer: May be significant may not significant ✔

Option A: All accurately known and all doubtful digits

Option B: Only accurately known digits

Option C: Only doubtful digits

Option D: All accurately known digits and the first doubtful digit

Correct Answer: All accurately known digits and the first doubtful digit ✔

Option A: Taking zero correction

Option B: Comparing the instrument with another more accurate one

Option C: Taking mean of several measurements

Option D: All methods explained in A, B and C

Correct Answer: Taking mean of several measurements ✔

Option A: Limitation of an instrument

Option B: Natural variation of the object to be measured

Option C: Inadequate technique

Option D: All given in A, B and C

Correct Answer: All given in A, B and C ✔

Option A: The inexperience of a person

Option B: The faulty apprentice

Option C: Inappropriate method

Option D: Due to all reasons in A, B and C

Correct Answer: Due to all reasons in A, B and C ✔

Option A: 10 Raised to power 1

Option B: 10 Raised to power 2

Option C: 10 Raised to power 3

Option D: 10 Raised to power -1

Correct Answer: 10 Raised to power 1 ✔

Option A: 1.024×103

Option B: 2 Raised to power 10

Option C: 0.000976

Option D: 1/0.00097

Correct Answer: 1.024×103 ✔

Option A: Power of ten

Option B: Powers of two

Option C: Reciprocal

Option D: Decimal

Correct Answer: Power of ten ✔

Option A: 1

Option B: 2

Option C: 3

Option D: 4

Correct Answer: 3 ✔

Option A: 1

Option B: 2

Option C: 3

Option D: 4

Correct Answer: 2 ✔

Option A: Chemistry

Option B: Astronomy

Option C: Geology

Option D: Biology

Correct Answer: Biology ✔

Option A: Chemistry

Option B: Physics

Option C: Geology

Option D: Biology

Correct Answer: Physics ✔