OCR A - A LEVEL PHYSICS QUESTIONS WITH ANSWERS

OCR A - A LEVEL PHYSICS
QUESTIONS WITH ANSWERS

1.

Which six base units of the SI system are used in A Level Physics?
A) Metre, gram, second, candela, joule, mole
B) Metre, kilogram, second, ampere, kelvin, mole ✅
C) Metre, kilogram, second, candela, kelvin, litre
D) Metre, joule, second, ampere, kelvin, mole



2.

Which six base quantities of the SI system are used in A Level Physics?
A) Length, time, volume, charge, temperature, mass
B) Length, mass, time, electric current, temperature, amount of substance ✅
C) Mass, charge, temperature, density, energy, power
D) Length, mass, charge, energy, current, luminosity



3.

What is the value of the prefix T (tera)?
A) 10⁶
B) 10⁹
C) 10¹² ✅
D) 10³



4.

What is the value of the prefix G (giga)?
A) 10⁶
B) 10⁹ ✅
C) 10¹²
D) 10³


1

,5.

What is the value of the prefix M (mega)?
A) 10³
B) 10⁶ ✅
C) 10⁹
D) 10¹²



6.

What is the value of the prefix k (kilo)?
A) 10²
B) 10³ ✅
C) 10⁴
D) 10⁵



7.

What is the value of the prefix d (deci)?
A) 10⁻¹ ✅
B) 10⁻²
C) 10⁻³
D) 10⁻⁶



8.

What is the value of the prefix c (centi)?
A) 10⁻¹
B) 10⁻² ✅
C) 10⁻³
D) 10⁻⁶



9.




2

,What is the value of the prefix m (milli)?
A) 10⁻²
B) 10⁻³ ✅
C) 10⁻⁴
D) 10⁻⁶



10.

What is the value of the prefix μ (micro)?
A) 10⁻³
B) 10⁻⁵
C) 10⁻⁶ ✅
D) 10⁻⁷



11.

What is the value of the prefix n (nano)?
A) 10⁻⁶
B) 10⁻⁷
C) 10⁻⁸
D) 10⁻⁹ ✅



12.

What is the value of the prefix p (pico)?
A) 10⁻⁹
B) 10⁻¹⁰
C) 10⁻¹² ✅
D) 10⁻¹⁴



13.

What is meant by the accuracy of measurements?
A) How close repeated readings are to each other
B) How close measurements are to the true value ✅
C) The number of significant figures used
D) The consistency of the measuring tool



3

, 14.

What is meant by the precision of measurements?
A) How close measurements are to the true value
B) The number of decimal places recorded
C) How close repeated measurements are to each other ✅
D) The smallest measurable interval



15.

What is measurement error?
A) The average of all recorded readings
B) The smallest measurable value
C) The difference between measured and true values ✅
D) The total of all uncertainties



16.

What are random errors?
A) Errors caused by incorrect calibration
B) Errors that vary unpredictably from reading to reading ✅
C) Errors that are consistent in direction
D) Errors caused by a faulty measuring instrument



17.

How can random errors be reduced?
A) Calibrate the instrument
B) Take repeated measurements and calculate the mean ✅
C) Use fewer data points
D) Change the measuring device



18.




4