Physics - MOST IMPORTANT UPPSC RO/ARO Previous Year Questions
Practice real questions from previous year exams of UPPSC RO/ARO.
📘 Thermal Properties of Matter📚 Change of Phase between Gases and Liquids- Vaporization and Condensation
Q1
Given below are two statements, in which one is labelled as Assertion (A) and other as Reason (R) :
Assertion (A) : The boiling point of water decreases as the altitude increases.
Reason (R) : The atmospheric pressure increases with altitude.
Select the correct answer using the code given below :
🎯 UPPSC RO/ARO (Pre) Nirsat Exam-2023 (Ex. Dt. 11.02.2024)
📘 Current Electricity📚 Resistance, Resistivity and specific resistance
Q2
A voltage of 15 volt is applied across a colour coded carbon resistor with first, second and third rings of brown, green and black colours. What is the current flowing through the resistor?
🎯 UPPSC RO/ARO (Pre) Nirsat Exam-2023 (Ex. Dt. 11.02.2024)
📘 Light and Optics📚 Refraction and related Terminology
Q3
The reason for a swimming pool to appear less deep than the actual depth is -
🎯 UPPSC RO/ARO (Pre) Nirsat Exam-2023 (Ex. Dt. 11.02.2024)
📘 Atomic and Nuclear Physics📚 Atoms- Electrons, Protons, Neutrons
Q4
Consider the following events and arrange them in correct chronological order starting from the earliest to the last activity :
I. Discovery of pi meson
II. Discovery of Neutron
III. Discovery of Electron
IV. Discovery of Proton
🎯 UPPSC RO/ARO (Pre) Nirsat Exam-2023 (Ex. Dt. 11.02.2024)
📘 Electrostatics📚 Electric Field
Q5
Given below are two statements, in which one is labelled as Assertion (A) and the other as Reason (R) :
Assertion (A) : A person travelling in a car with closed glass windows and doors is safe form the lightening strike.
Reason (R) : Actually a closed car behaves like a hollow conductor, so charges cannot enter inside the car.
Select the correct answer using the code given below :
🎯 UPPSC RO/ARO (Pre) Nirsat Exam-2023 (Ex. Dt. 11.02.2024)
📘 Current Electricity📚 Electrical Energy
Q6
15 bulbs each of 200 watt capacity in a Silkyara tunnel are illuminated continuously for 24 hours. The consumption of electricity will be -
🎯 UPPSC RO/ARO (Pre) Nirsat Exam-2023 (Ex. Dt. 11.02.2024)
📘 Force and Motion📚 Momentum-II: Conservation of Momentum
Q7
Rocket works on the principle of the following :
🎯 UPPSC RO/ARO (Pre) Nirsat Exam-2023 (Ex. Dt. 11.02.2024)
📘 Mechanical Properties of Solid📚 Elastic Constants- Young Modulus
Q8
With reference to the mechanical properties of solids, which of the following statements is/are correct?
1. The Young's Modulus of rubber is greater than that of steel.
2. The stretching of a coil is determined by its Shear Modulus.
🎯 UPPSC RO/ARO (Pre) Nirsat Exam-2023 (Ex. Dt. 11.02.2024)
📘 Units and Dimensions📚 Conversion from one unit to other
Q9
The height of Ramesh is 5 feet. What will be the height of Ramesh in nanometer (nm)?
🎯 UPPSC RO/ARO (Pre) Nirsat Exam-2023 (Ex. Dt. 11.02.2024)
📘 Instruments to Measure things📚 List of Instruments to Measure Physical Quantities
Q10
'Ringelmann Scale' is used to measure the density of the following-
🎯 UPPSC RO/ARO (Mains) Exam-2021 (Ex. Dt. 24.04.2022)
📘 Force and Motion📚 Momentum-II: Conservation of Momentum
Q11
Rocket works on which of the following principles?
🎯 UPPSC RO/ARO (Mains) Exam-2021 (Ex. Dt. 24.04.2022)
📘 Work, Energy and Power📚 Other types of energy- chemical, mechanical, etc.
Q12
Which of the following is not correctly matched?
(a) Primary Energy - Tidal Power
(b) Commercial Energy - Oil and Gas
(c) Non-Commercial Energy - Animal Dung
(d) Non-Conventional Energy - Solar Energy
🎯 UPPSC RO/ARO (Pre) Exam 2021
📘 Current Electricity📚 Combination of Resistors (Series and Parallel)
Q13
How two identical bulbs should be connected to get maximum light?
(1) Both are connected in Series
(2) Both are connected in parallel
Select the correct answer using the code given below-
🎯 UPPSC RO/ARO (Pre) Exam 2021
📘 Light and Optics📚 Plane Mirrors
Q14
How many letters of the English alphabet (Capitals) appear same when looked at in a mirror?
🎯 UPPSC RO/ARO (Pre) Exam 2021
📘 Magnetism📚 Magnetism Properties
Q15
Which one of the following is different from the rest of the three?
🎯 UPPSC RO/ARO (Pre) Exam 2021
📘 Sound📚 Human Ear
Q16
Which of the following statement is not correct?
🎯 UPPSC RO/ARO (Pre) Exam 2021
📘 Work, Energy and Power📚 Other types of energy- chemical, mechanical, etc.
Q17
The second most important source after fossil fuels contributing to Indian energy need is-
🎯 UPPSC RO/ARO (Pre) Exam 2021
📘 Current Electricity📚 Electric Circuit
Q18
'Electricity' is related to 'wire' in the same way as 'water' is related to-
🎯 UPPSC RO/ARO (Pre) Exam 2021
📘 Wave📚 Mechanical Wave: Transverse waves
Q19
In a Sitar, which type of sound vibrations are produced?
🎯 UPPSC RO/ARO (Pre) Exam 2021
📘 Modern Physics📚 Semiconductor
Q20
Arrange the following in chronological order as per their discovery and select correct answer from the code given below:
1. Transistor
2. Diode
3. SMD (Surface Mounted Device)
4. Integrated Circuit (IC)
🎯 UPPSC RO/ARO (Mains) Re-exam 2016
