List of top Physics Questions

The specific charge of a proton is $9.6\times10^{7}\,C\,kg^{-1}$ The specific charge of an alpha particle will be
Maxwell?? equation describe the fundamental laws of
Photoelectric effect is an example of
Photoelectric effect is maximum in
Photoelectric effect can be explained by assuming that light
Phase difference between voltage and current in a capacitor in an ac circuit is
Pairs having the same units is
One shake is equal to
One of the rectangular components of a vector 80 unit is 40 unit, the other component is
One of the following vector identities which is false will be
One end of a horizontal thick copper wire of length $2L$ and radius $2R$ is welded to an end of another horizontal thin copper wire of length $L$ and radius $R$. When the arrangement is stretched by applying forces at two ends, the ratio of the elongation in the thin wire to that in the thick wire is
One barn is equal to
One among the following is an incorrect statement
On a two-lane road, car $ A $ is travelling with a speed of $ 36 \,km\, h^{-1} $ . Two cars $ B $ and $ C $ approach car $ A $ in opposite directions with a speed of $ 54\, km \,h^{-1} $ each. At a certain instant, when the distance $ AB $ is equal to $ AC $ , both being $ 1 \,km $ , $ B $ decides to overtake $ A $ before $ C $ does. The minimum required acceleration of car $ B $ to avoid an accident is
Of the two eggs which have identical sizes, shapes and weights, one is raw and other is half boiled. The ratio between the moment of inertia of the raw to the half boiled egg about central axis is:
Of the following thermometers, the one which can be used for measuring rapidly changing temperature is a
Of the following about capacitive reactance which is correct
Of the following the dimensionless error is
Nuclear holocaust means
No force is exerted by a magnetic field on a stationary :
No current is drawn from the secondary of an ideal transformer, the power factor of the primary coil is
$Nm^{-1}$ is the SI unit of
Net charge on n-type semiconductor is
NAND and NOR gates are called universal gates because they
N molecules, each of mass m, of gas A and 2 N molecules, each of mass 2 m, of gas B are contained in the same vessel which is maintained at a temperature T. The mean square of the velocity of molecules of B type is denoted by $\nu^2$ and the mean square of the X component of the velocity of A type is denoted by $\omega^2, \omega^2/ \nu^2$ is