WorksheetsNATIONAL LEVEL ONLINE QUIZ ON PHYSICAL SCIENCE
Total questions: 30
Worksheet time: 15mins
Sound waves in air are
transverse
longitudinal
electromagnetic
polarized
Which instrument is used to measure altitudes in aircraft’s ?
Audiometer
Ammeter
Altimeter
Anemometer
Who discovered Atom ?
Madam Curie
James Chadwick
Rutherford
John Dalton
Which unit we use to express Nuclear sizes ?
Tesla
Newton
Fermi
None of above
With the increase of pressure, the boiling point of any substance
Increases
Decreases
Remains Same
Becomes zero
Identify the vector quantity from the following
Heat
Angular momentum
Time
Work
A jet engine works on the principle of conservation of
Linear momentum
Angular momentum
Energy Mass
Mass Velocity
Which instrument is used in submarine to see the objects above sea level ?
Pykometer
Polygraph
Photometer
Periscope
The nuclear reaction in which a heavy nucleus splits into two nuclei of nearly equal mass is called
Nuclear fusion
Nuclear fission
Nuclear reaction
Fast breeding
A piece of ice is dropped in a vesel containing kerosene. When ice melts, the level of kerosene will
Rise
Fall
Remain Same
None of these
Pa(Pascal) is the unit for
thrust
pressure
frequency
conductivity
What is the scale used for measuring the intensity of the earthquake?
Metric Scale
Quake Scale
Richter Scale
Epicentre Scale
What is the range of masses involved in the study of Physics?
10-19 kg to 1038 kg
10-30 kg to 1055kg
10-30 kg to 1030kg
10-19 kg to 1055 kg
What is the value of Triple point of water?
273.16K
273.16°C
0°C
-273.16 K
On which of the following quantities, Work done does not depend?
Forceapplied
Displacement
Time
Depends on all of the above
What will be the general value of angle of contact when the liquid does not wet the solid?
acute
obtuse
zero
90°
What is the relationship between excess pressure and the radius of the bubble?
are equal in value
inversely proportional to each other
directly proportional to each other
no relationship
What is the SI unit of magnetic flux?
teslas
maxwell
weber
Newton
Which of the following statements related to the unit curie (Ci) is correct?
1 Ci=3.7×107
1 Ci=2.7×109
1 Ci=2.7×107
1 Ci=3.7×1010
Which of these devices is used to increase the power of a signal?
Amplifier
Voltageregulator
Attenuator
All of the above
Which of these is NOT an example of Periodic motion?
Revolution of earth around the sun
Rotation of earth about its polar axis
Motion of minute’s hand of a clock
None of the above
What is the absorptive power of a perfectly black body?
0
1
100
-100
What do we call the distance between two consecutive compressions of a sound wave?
Wavenumber
Frequency
Wavelength
Amplitude
Which law is also called the law of inertia ?
Newton's first law
Newton's Third Law
Newton's Third Law
All of these
Magnetism at the centre of a bar magnet is
minimum
maximum
zero
minimum or maximum
The absorption of ink by blotting paper involves
capillary action phenomenon
viscosity of ink
siphon action
diffusion of ink through the blotting
Young’s modulus is the property of
Gas only
Both Solid and Liquid
Liquid only
Solid only
Nuclear sizes are expressed in a unit named
Fermi
Angstrom
Newton
Tesla
Large astronomical telescopes always use as objective
lens
mirror
combinations of lenses
None of the above
The electric motor converts
Electrical energy into mechanical energy
Mechanical energy into electrical energy
Electrical energy into light energy
None of these
