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In this quiz, you will find questions related to the basic laws of physics and their usage in various phenomenons.
Which of the following is a possible final step in applying the scientific method
Which of the following is a possible first step in applying the scientific method
Physics is a
How many numbers of base SI units are there?
What is the percentage error in the measurement of the kinetic energy of a body, if there is a positive error of 50% in the speed of the body
Which the following is a dimensionless quantity
Calculate the value of the dot product of the two vectors whose magnitudes are 3 units and 4 units and their resultant is 1 unit.
A scientific theory
Cannot be changed but can be reformulated
Is fixed once and for all because it is logical
Is changed to suit new fashion among scientists
Can be revised if required to fit new phenomenon or data
Heliocentric theory proposed by Nicolas Copernicus was
Replaced by circular orbits to fit the data better
Replaced by elliptical orbits to fit the data better
Replaced by elliptical orbits to fit the taste of new rulers of Italy
Replaced by parabolic orbits to fit the data better
Newtonian mechanics could not explain
Fall of bodies on earth
Some of the most basic features of atomic phenomena.
Movement of planets
Flight of rockets
Wave picture of light failed to explain.
The photoelectric effect
Polarization of light
Diffraction of light
Interference of light
Just as a new experiment may suggest an alternative theoretical model, a theoretical advance may suggest what to look for in some for in some experiments. Which of the following experiments can be considered to support this claim?
Davisson and Germer Experiment
Experimental discovery of positron
Scattering of alpha particle or the gold foil experiment
Michelson Morley experiment
The scientific method is
A prescribed method for investigating phenomena, acquiring new knowledge…
A procedure for proposing new hypothesis
A body of techniques for investigating phenomena, acquiring new knowledge…
A method for proposing new theories.
‘Torr’ is the unit of
Pressure
Volume
Density
Flux
One yard in SI unit is equal to
0.9144 metre
1.0936 kilometre
1.9144 metre
0.09144 kilometre
One second is defined to be equal to
9192631770 periods of the cesium clock
1650763.73 periods of the cesium clock
652189.63 periods of the krypton clock
1650763.73 periods of the krypton clock
According to Einstein’s theory, mass and energy are related as
E = mc
E = mc^2
E = m/c
E = m/c^2
One pico farad is equal to
10^-12 farad
10^-24 farad
10^-18 farad
10^-6 farad
