How it works Features Exams FAQ Pricing

EN

हिं

Physics - MOST IMPORTANT Allahabad HC ARO Previous Year Questions

Practice real questions from previous year exams of Allahabad HC ARO.

📘 Light and Optics📚 Refractive Index

Q1

The S.I. unit of refractive index is:

🎯 Allahabad HC ARO 14/12/2021 Shift-II

A.

Metre

B.

Watt

C.

No unit

D.

Centimeter

📘 Units and Dimensions📚 Fundamental and Supplementary Units of Measurement

Q2

Light year is related to:

🎯 Allahabad HC ARO 14/12/2021 Shift-II

A.

Time

B.

Intensity

C.

Distance

D.

Speed

📘 Current Electricity📚 Electric Current

Q3

S.I. unit of current is:

🎯 Allahabad HC ARO 14/12/2021 Shift-II

A.

Volt

B.

Watt

C.

Ampere

D.

Ohm

📘 Current Electricity📚 Electric Power

Q4

Unit of electric power may also be expressed as:

🎯 Allahabad HC ARO 20/12/2021 Shift-II

A.

Volt ampere

B.

Kilowatt hour

C.

Watt second

D.

Joule second

📘 Work, Energy and Power📚 Forms of Energy- Kinetic Energy and Potential Energy

Q5

What is the standard unit of kinetic energy?

🎯 Allahabad HC ARO 24/02/2019

A.

Ampere-hour

B.

Coulomb

C.

Joule

D.

Kilowatt-hour

📘 Current Electricity📚 Electrical Energy

Q6

What is the commercial unit of electrical energy?

🎯 Allahabad HC ARO 18/12/2021 Shift-I

A.

Joule

B.

Kilo Joule

C.

Kilowatt-hour

D.

Watt-hour

📘 Instruments to Measure things📚 List of Instruments to Measure Physical Quantities

Q7

Instrument used for measuring atmospheric humidity is:

🎯 Allahabad HC ARO 16/12/2021 Shift-II

A.

Anemometer

B.

Hygrometer

C.

Barometer

D.

Hypsometer

📘 Instruments to Measure things📚 List of Instruments to Measure Physical Quantities

Q8

Soil Moisture tension is directly measured by:

🎯 Allahabad HC ARO 15/12/2021 Shift-II

A.

Lysimeter

B.

Tensistor

C.

Tensiometer

D.

Sensimeter

📘 Instruments to Measure things📚 List of Instruments to Measure Physical Quantities

Q9

What is measured using Sphygmomanometer?

🎯 Allahabad HC ARO 14/12/2021 Shift-I

A.

Sugar in blood

B.

Blood Pressure

C.

Lipid profile

D.

Uric acid content

📘 Instruments to Measure things📚 List of Instruments to Measure Physical Quantities

Q10

Instrument used for recording air pressure is known as:

🎯 Allahabad HC ARO 24/02/2019

A.

Hydrometer

B.

Hygrometer

C.

Opisometer

D.

Barometer

📘 Instruments to Measure things📚 List of Instruments to Measure Physical Quantities

Q11

Instrument used for recording air pressure is known as:

🎯 Allahabad HC ARO 20/12/2021 Shift-I

A.

Hydrometer

B.

Hygrometer

C.

Opisometer

D.

Barometer

📘 Sound📚 SONAR and its Use

Q12

The device used for locating submerged objects under sea is:

🎯 Allahabad HC RO/ARO Exam-06/02/2011

A.

Sonar

B.

Radar

C.

Laser

D.

Maser

📘 Gravitation📚 Kepler's Law - I: The law of Orbits

Q13

The fact that planets move around the Sun, not in circles but in ellipses, was first demonstrated by:

🎯 Allahabad HC ARO 15/12/2021 Shift-II

A.

Galileo

B.

Martin Luther

C.

Johannes Kepler

D.

Copernicus

📘 Gravitation📚 Satellite and types - Natural and Artificial

Q14

If suddenly the gravitational force of attraction between the Earth and a satellite revolving around it becomes zero, then the satellite will

🎯 Allahabad HC ARO Exam 18/12/2016

A.

Continue to move in this orbit with same velocity

B.

Move tangentially to the original orbit with same velocity

C.

Become stationary in its orbit

D.

Move towards the Earth

📘 Force and Motion📚 Centre of Mass and Centre of Gravity

Q15

While crossing a river in a boat, it is not advisable to stand because

🎯 Allahabad HC ARO Exam 18/12/2016

A.

The person might get more frightened and will cause instability of the system (boat and passengers)

B.

This will keep the centre of gravity of the system (boat and passengers) low which ensures stability of the boat

C.

This will keep the centre of gravity of the system (boat and passengers) high which not ensures stability of the boat

D.

This might increase or decrease sudden speed of the system (boat and passengers)

📘 Fluid Mechanics📚 Types of Buoyancy and its applications

Q16

A wooden block is floating on the surface of water. The apparent weight of the block when it is floating:

🎯 Allahabad HC RO/ARO Exam-28/09/2014

A.

Is equal to the weight of the water displaced by the block

B.

Is lesser than its actual weight but can never be zero

C.

Is zero

D.

Cannot be determined

📘 Thermal Properties of Matter📚 Change of Phase between Gases and Liquids- Vaporization and Condensation

Q17

In pressure cookers, the food cooks faster because:

🎯 Allahabad HC RO/ARO Exam 28/09/2014

A.

The pressure exerted by the water vapours enclosed in the cooker increases the boiling point of water

B.

There is no loss of heat to the surroundings as the pressure cooker is airtight

C.

The pressure exerted by the water vapours influences the boiling point of the food to be cooked

D.

The pressure exerted by the water vapours enclosed in the cooker decreases the boiling point of water

📘 Ideal Gas Law📚 Evaporation and the affecting Factors

Q18

During summer, water kept in an Earthen pot becomes cool because of the phenomenon of:

🎯 Allahabad HC ARO 19/12/2021 Shift-I

A.

Diffusion

B.

Transpiration

C.

Condensation

D.

Evaporation

📘 Thermal Properties of Matter📚 Thermal Conductivity

Q19

The best conductor of heat is :

🎯 Allahabad HC RO/ARO Exam-06/02/2011

A.

Iron

B.

Aluminium

C.

Copper

D.

Silver

📘 Sound📚 Types of Sound- Infrasonic, Audible, Ultrasonic

Q20

What is the audible range (hearing range) of humans?

🎯 Allahabad HC ARO 16/12/2021 Shift-I

A.

$\displaystyle 20$ Hz – $\displaystyle 20000$ Hz

B.

$\displaystyle 80$ Hz – $\displaystyle 100$ Hz

C.

$\displaystyle 2$ lakh Hz – $\displaystyle 4$ lakh Hz

D.

$\displaystyle 0$ Hz – $\displaystyle 20$ Hz

🔐 Login to practice full set