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Physics MCQs Quiz For Entry Test
1. How many significant figures are present in the number 10, 450?
Four (Answer)
None of these
Three
Five
2. What is the density of an object with a volume of 15 mL and a mass of 42 grams?
0.352 g/mL
None of the above is (Answer)
2.80 g/mL (Answer)
630 g/mL
3. How many electrons does iron have?
26 (Answer)
It depends on the isotope of iron
30
56
4. If 10 mL of a gas is at a pressure of 1 atm and we doubled the pressure, the new volume of the gas will be:
20 mL
5 mL (Answer)
15 mL
10 mL
5. When drawing a graph that measures family average income over a period of 50 years, the independent variable is:
Years (Answer)
Income
Average
It is impossible to say
6. If I have a 200 L container filled with nitrogen at a pressure of 1.0 atm, how many moles of nitrogen are present at 250 C?
8.18 moles (Answer)
0.085 moles
19.3 moles
None of these
7. What percent of atoms of magnesium have a mass of exactly 24 amu?
70%
100%
0% (Answer)
30%
8. What is the appropriate SI unit for distance?
Inches
Meters (Answer)
Kilometers
Centimeters
9. What subatomic particle has a mass of one atomic mass unit?
Proton
Neutron
More than one of the above (Answer)
Electron
10. The kinetic energy of gas molecules is directly proportional to:
More than one of the above
Kelvins (Answer)
Degrees Celsius
The identity of the gas being studied
11. Standard temperature and pressure refers to:
0 atm 273 K (Answer)
More than one of the above
101.325 kPa and 0 K
1 atm and 273 K
12. If you heat a 5 L balloon from a temperature of 250 C to 500 C, its new volume will be:
10 L
2.5 L
4.61 L
5.42 L (Answer)
13. Accuracy is defined as:
The closeness of a measured value to the real value. (Answer)
None of these
The number of significant figures used in a measurement.
A measure of how often an experimental value can be repeated.
14. An example of chemical property is:
Solubility
Acidity (Answer)
Mass
Density
15. How many decimeters are there in 15 centimeters?
150 dm
1.5 dm (Answer)
0.15 dm
None of these
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