FUNDAMENTAL
b) [M L^0 T^(-2) ]b) [M L^0 T^(-2) ]v
The relation between kg.wt. and Newton.
1kg.wt = 9.8 N
The value of acceleration due to gravity at a depth of 1600 km is equal to
7.35 ms-2
which of the following properties is False for a bar magnet.
It doesn’t produce magnetic field
The physical law used to lift heavy bodies like automobiles.
Pascal’s law
Give the mathematical representation of Boyle’s law
PV= constant
The equation of a progressive wave is given by Y = 5Sin(10πt – 0.1πx) where x and y are
In meter and t in second, then amplitude and frequency is given by
5m & 5Hz
The frequency of the fundamental note and the next harmonic emitted by a
closed end organ of length 0.25m is ( given velocity of sound in air is 332 ms-1)
332 Hz & 996 Hz
The induction motor was invented by the scientist.
Michael Faraday
A train is moving at a speed of 72 Kmph towards a station sounding a whistle of frequency
640Hz. The apparent frequency of whistle as heard by a man on the platform, when the
train approaches him is (given speed of sound = 340ms-1)
680 Hz
What is the de Broglie wavelength associated with a ball of mass 150gm travelling at 30ms-1
1.47×10-34 m1.47×10-34 m
In the three parts of a transistor. Emitter is of
moderate size and heavily doped
The decay constant of a certain radioactive sample is 0.06 per day. Then it’s half life and
mean life are
11.55 days and 16.66 days
In Young’s double slit experiment the source is white light. One slit is covered with red filter
and the other with blue filter, then there shall be
no interference