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Home
Questions & Answer
Science Questions & Answers
Physics Questions & Answers
Physics Questions & Answers
(Compiled from UPSC, SSC ,PSC ,IBPS previous question papers)
Which instrument is used to measure changes in volume of substances ?
A
Dyanamo
B
Dilatometer
C
Cyclotron
D
Electroscope
Which instrument is used to determine the intensity of colours ?
A
Cathetometer
B
Chronometer
C
Colorimeter
D
Commutator
Which instrument is used to measure the scattering of light by particles suspended in a liquid ?
A
Nephetometer
B
Ohmmeter
C
Ondometer
D
Pyrometer
Which instrument is used to record physical happenings at a distant place ?
A
Thermostat
B
Tonometer
C
Telemeter
D
Transponder
Which instrument is used to measure curvature of spherical objects ?
A
Spectroscope
B
Spherometer
C
Spectrometer
D
Sextant
Which instrument is used in submarine to see the objects above sea level ?
A
Pykometer
B
Polygraph
C
Photometer
D
Periscope
Which instrument is used to measure the power of electric circuit ?
A
Voltmeter
B
Wattmeter
C
Wavemeter
D
Viscometer
Name of the instrument to measure atomspheric pressure ?
A
Barometer
B
Barograph
C
Bolometer
D
Callipers
Which instrument is used to measure depth of ocean ?
A
Galvanometer
B
Fluxmeter
C
Endoscope
D
Fathometer
One Horsepower (H.P) is equal to
A
846 watt
B
546 watt
C
946 watt
D
746 watt
Initially the cutting of the waves against the base of costal land produces
A
Tombolo
B
Cliff
C
Splt
D
Sea cave
The unit of radiation exposure is
A
Candela
B
Dioptre
C
Kelvin
D
Roentgen
Ozone layer absorbs
A
Methane
B
Chlorine
C
Ultraviolet radiation
D
Cosmic rays
The resolving power of a telescope os highest for
A
Blue light
B
Green light
C
Yellow light
D
Red light
If the total energy of a particle is thrice its rest energy, then the velocity of the particle is (c = velocity of light)
A
C/3
B
2c/3
C
2?2c/3
D
?2c/3
Which of the following is not recycled in an eco-system
A
Water
B
Carbon
C
Nitrogen
D
Energy
Aqueosus solution of which of the following is a good conductor of electricity
A
Ammonium acetate
B
Glucose
C
Ammonia
D
Acetic acid
How many electrons can be accommodated in d-orbital
A
3
B
6
C
10
D
8
Relative frequency is defined as
A
Total frequency/Class frequency
B
Class frequency/Total frequency
C
Class frequency/Total frequency X 100
D
None of these
The experiment to measure de Broglie wavelength was first carried out by
A
Rutherford
B
Bohr
C
Davisson-Germer
D
Albert Einstein
The uncertainty principle was proposed by
A
De Broglie
B
Maxwell
C
Thomson
D
Heisenberg
Venturimeter is user to measure
A
Fluid velocity
B
Fluid surface tension
C
Fluid temperature
D
Fluid density
Which one of the following contributes maximum shares in power generation
A
Thermal power
B
HydroPower
C
Atomic Power
D
Solar Power
Seismic waves are recorded with the help of an instrument known as
A
Earthquake meter
B
Barometer
C
Hypsometer
D
Seismograph
What force would be needed to produce an acceleration of 1 ms -2 on a ball of mass 1 Kg
A
1N
B
2N
C
3N
D
4N
X- rays were invented by
A
J.J. Thomson
B
Faraday
C
Roentgen
D
Henry Becquerel
The least count of vernier callipers is
A
0.01 mm
B
0.01 cm
C
0.1 m
D
0.001 cm
One a. m. u is equal to
A
139 Mev
B
391 Mev
C
931 Mev
D
936 Mev
An Instrument used for enlargement and reduction of maps with accuracy is
A
Sonograh
B
Pantograph
C
Spectrograph
D
Thermograph
A particle motion is given by distance - time curve as shown in the figure. The maximum instanteneou
A
B
P
C
Q
D
R
E
S
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