Physics-
General
Easy
Question
A particle is moving on a circular path of radius
with uniform velocity
. The change in velocity when the particle moves from
to
is

The correct answer is: 
Change in velocity 
Related Questions to study
Maths-
Maths-General
physics-
A small mass
is attached to a massless string whose other end is fixed at
as shown in the figure. The mass is undergoing circular motion in the
plane with centre at
and constant angular speed
. If the angular momentum of the system, calculated about
and
are denoted by
and
respectively, then

A small mass
is attached to a massless string whose other end is fixed at
as shown in the figure. The mass is undergoing circular motion in the
plane with centre at
and constant angular speed
. If the angular momentum of the system, calculated about
and
are denoted by
and
respectively, then

physics-General
Physics-
Two wires
and
are tied at
of small sphere of mass 5 kg, which revolves at a constant speed
in the horizontal circle of radius 1.6 m. The minimum value of
is

Two wires
and
are tied at
of small sphere of mass 5 kg, which revolves at a constant speed
in the horizontal circle of radius 1.6 m. The minimum value of
is

Physics-General
Maths-
Maths-General
physics-
A meter bridge is set up as shown in figure, to determine an unknown resistance ‘X’ using a standard 10 ohm resistor. The galvanometer shows null point when tapping - key is at 52 cm mark. The end-corrections are 1 cm and 2 cm respectively for the ends A and B. The determined value of ‘X’ is

A meter bridge is set up as shown in figure, to determine an unknown resistance ‘X’ using a standard 10 ohm resistor. The galvanometer shows null point when tapping - key is at 52 cm mark. The end-corrections are 1 cm and 2 cm respectively for the ends A and B. The determined value of ‘X’ is

physics-General
chemistry-
The concentration of electrolyte required to coagulate a given amount of
sol is minimum in the case of
The concentration of electrolyte required to coagulate a given amount of
sol is minimum in the case of
chemistry-General
physics-
To verify ohm’s law, a student is provided with a test resistor RT , a high resistance R1 , a small resistance R2 , two identical galvanometers G1 and G2 , and a variable voltage source V. The correct circuit to carry out the experiment is
To verify ohm’s law, a student is provided with a test resistor RT , a high resistance R1 , a small resistance R2 , two identical galvanometers G1 and G2 , and a variable voltage source V. The correct circuit to carry out the experiment is
physics-General
physics-
If by mistake, voltmeter is connected in series with the resistance then i-v curve expected is (Here i = reading of ammter ,v=reading of voltmeter)

If by mistake, voltmeter is connected in series with the resistance then i-v curve expected is (Here i = reading of ammter ,v=reading of voltmeter)

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maths-
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