Physics questions with answers

2,629 multiple-choice questions. Open any question for its answer and explanation.

Questions asked in State PSC and UPSC prelims, by topic. Each topic also has notes to read.

1. Frequency is measured inAsked in BPSC Prelims Exam 64th
2. The unit of electric power isAsked in BPSC Prelims Exam 64th
3. What is the unit of pressure?Asked in BPSC Prelims Exam 64th
4. The unit of pressure isAsked in BPSC Prelims Exam 65th
5. The SI unit of mechanical power is :Asked in UPSC CDS 1 2016
6. The unit of the force constant $k$ of a spring isAsked in UPSC CDS 1 2020
7. The resistivity $\rho$ of a material may be expressed in units ofAsked in UPSC CDS 1 2020
8. 'Joule' is related to energy in the same way as 'Pascal' is related toAsked in CGPSC Prelims Exam 2015
9. Which one of the following is NOT a unit of magnetic field strength?Asked in UPSC Geoscientist 2020
10. Which one of the following is NOT the correct unit of 'power'?Asked in UPSC Geoscientist 2021
11. Which one of the following is NOT a unit of ‘Pressure’?Asked in UPSC Geoscientist 2021 · UPSC CAPF 2022
12. The ratio between the circumference of a circle and the perimeter of a square is 11:3. What is the ratio between area of the circle and area of the square ?Asked in GPSC Prelims CSP 1 2024
13. If the curved surface area of a sphere is same as the curved surface area of a hemisphere, what is the ratio of the radius of the hemisphere and that of the sphere?Asked in GPSC Prelims CSP 1 2024
14. A cone has a height of 12 cm and a base radius of 3.5 cm, what is the volume of the cone?Asked in GPSC Prelims CSP 1 2024
15. A 5 cm cube is cut into as many 1 cm cubes as possible. What is the ratio of the surface area of the larger cube to that of the sum of surface areas of the smaller cubes ?Asked in GPSC Prelims CSP 1 2017
16. In Δ ABC, AD = DB; If DE || BC and area of Δ ABC = 40 then area of Δ ADE isAsked in GPSC Prelims CSP 1 2017
17. Match List-I with List-II: List-I List-IIAsked in HPPSC HPAS Prelims 2020
18. Match List I with List II : List-I (Quantity) List-II (Unit of Measurement) (a) Weight (i) Cubic meter (b) Volume (ii) Newton (c) Temperature (iii) Pascal (d) Pressure (iv) Kelvin Choose the correct answer from the options given below :Asked in HPPSC HPAS Prelims 2023
19. The S.I. unit of acceleration isAsked in UPSC NDA 1 2016
20. Which one of the following physical quantity has the same unit as that of pressure ?Asked in UPSC NDA 1 2017
21. 1 dyne (a unit of force in CGS system) equals toAsked in UPSC NDA 1 2019
22. Which one of the following cannot be the unit of frequency of a sound wave ?Asked in UPSC NDA 1 2021
23. Which one of the following is the SI unit of the thermal conductivity of a material?Asked in UPSC NDA 2 2015
24. In SI unit of force ‘Newton’ (N) is given by (where m stands for metre and s stands for second):Asked in UPSC NDA 2 2015
25. One kilowatt hour is equal toAsked in UPSC NDA 2 2016