Maths-
General
Easy
Question
The vectors 
are mutually perpendicular then 
The correct answer is:
Related Questions to study
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If 
be the three vectors such that 
then
If be the three vectors such that then
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If 
then 
If then
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If 
represents the reciprocal system of vectors of then 
If represents the reciprocal system of vectors of then
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The given graph shows the variation of velocity with displacement. Which one of the graph given below correctly represents the variation of acceleration with displacement
The given graph shows the variation of velocity with displacement. Which one of the graph given below correctly represents the variation of acceleration with displacement
physics-General
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The variation of velocity of a particle moving along a straight line is shown in the figure. The distance travelled by the particle in 4s is
The variation of velocity of a particle moving along a straight line is shown in the figure. The distance travelled by the particle in 4s is
physics-General
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A ball is thrown vertically upward. Ignoring the air resistance, which one of the following plot represents the velocity-time plot for the period ball remains in air?
A ball is thrown vertically upward. Ignoring the air resistance, which one of the following plot represents the velocity-time plot for the period ball remains in air?
physics-General
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The velocity of a particle moving in a straight line varies with time in such a manner that 
graph is velocity is 
and the total time of motion is 
i) Average velocity of the particle is 
ii) such motion cannot be realized in practical terms
The velocity of a particle moving in a straight line varies with time in such a manner that graph is velocity is and the total time of motion is
i) Average velocity of the particle is
ii) such motion cannot be realized in practical terms
physics-General
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Figure given shows the distance –time graph of the motion of a car. It follows from the graph that the car is
Figure given shows the distance –time graph of the motion of a car. It follows from the graph that the car is
physics-General
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The displacement-time graphs of two moving particles make angles of 
and 
with the 
-axis. The ratio of the two velocities is
The displacement-time graphs of two moving particles make angles of and with the -axis. The ratio of the two velocities is
physics-General
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An elevator is going up. The variation in the velocity of the elevator is as given in the graph. What is the height to which the elevator takes the passengers?
An elevator is going up. The variation in the velocity of the elevator is as given in the graph. What is the height to which the elevator takes the passengers?
physics-General
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The variation of velocity of a particle with time moving along a straight line is illustrated in the following figure. The distance travelled by the particle in four seconds is
The variation of velocity of a particle with time moving along a straight line is illustrated in the following figure. The distance travelled by the particle in four seconds is
physics-General
physics-
The time taken by a block of wood (initially at rest)to slide down a smooth inclined plane 
long (angle of inclination is ) is
The time taken by a block of wood (initially at rest)to slide down a smooth inclined plane long (angle of inclination is ) is
physics-General
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A body is at rest at 
At 
it starts moving in the positive 
direction with a constant acceleration. At the same instant another body passes through 
moving in the positive direction with a constant speed. The position of the first body is given by 
after time 
and that of the second body by 
after the same time interval. Which of the following graphs correctly describes 
as a function of time 
A body is at rest at At it starts moving in the positive direction with a constant acceleration. At the same instant another body passes through moving in the positive direction with a constant speed. The position of the first body is given by after time and that of the second body by after the same time interval. Which of the following graphs correctly describes as a function of time
physics-General
physics-
A frictionless wire 
is fixed on a sphere of radius 
. A very small spherical ball slips on this wire. The time taken by this ball to slip from 
to 
is
A frictionless wire is fixed on a sphere of radius . A very small spherical ball slips on this wire. The time taken by this ball to slip from to is
physics-General
physics-
In figure, one car at rest and velocity of the light from head light is 
, then velocity of light from head light for the moving car at velocity 
, would be
In figure, one car at rest and velocity of the light from head light is , then velocity of light from head light for the moving car at velocity , would be
physics-General
