Physics Test 32

Total Questions: 20

1 - Which device is used to measure the specific gravity of a liquid?

A ) Barometer
B ) Ammeter
C ) Manometer
D ) Hydrometer ✅

2 - Which device is used to measure humidity?

A ) Tachometer
B ) Hydrometer
C ) Hygrometer ✅
D ) Galvanometer

3 - What splits light into its spectrum?

A ) Ionometer
B ) Spectrometer ✅
C ) Manometer
D ) Stereoscope

4 - Angstrom is unit of which quantity?

A ) Force
B ) Heat
C ) Resistance
D ) Length ✅

6 - Dyne is unit of what quantity?

A ) Heat
B ) Length
C ) Force ✅
D ) Resistance

7 - Ohm is unit of which quantity?

A ) Length
B ) Heat ✅
C ) Force
D ) Resistance

8 - Microphone is used to convert sound waves into

A ) Mechanical energy
B ) Kinetic energy
C ) Potential energy
D ) Electrical energy ✅

9 - If speed of rotation of earth increase what effect it would have on the weight of your body?

A ) Weight decreases ✅
B ) Weight decreases
C ) Remains the same
D ) None of these

11 - In which medium the sound travels fastest?

A ) Steel
B ) Water
C ) Wood
D ) Glass ✅

12 - Which instrument measure speed of ship?

A ) Periscope
B ) Angstrom ✅
C ) Sextant
D ) Monometer

13 - One horse power is equal to how many Watt?

A ) 820 Watt
B ) 780 Watt
C ) 760 Watt
D ) 746 Watt ✅

14 - The acceleration caused by gravity per second is

A ) 52 m ✅
B ) 48 m
C ) 45 m
D ) 40 m

15 - Which wave travel with almost the velocity of light?

A ) Ultra-sonic wave
B ) Radio wave ✅
C ) Blue wave
D ) Solar wave

16 - The frequency of which of the following is highest?

A ) Light waves
B ) Ultrasonic waves
C ) Radiowaves ✅
D ) None of these

17 - Speed of sound in air is

A ) 480 m/s
B ) 331 m/s ✅
C ) 300 m/s
D ) 280 m/s

18 - LASER stands for

A ) Light Against Skin by Emission of Radiation
B ) Long Altitude Sight Emission Rays
C ) Light Amplification by Stimulated Emission of Radiation ✅
D ) Left Align Sound Emission Rays

19 - FM stands for

A ) Frequency Module
B ) Frequency Movement
C ) Frequency Modulation ✅
D ) Ferentition Module

20 - One million cycle per second is called

A ) Megabyte
B ) Mega hertz ✅
C ) Gigabyte
D ) Hedabyte