Physics
General
Easy
Question
Consider a vector . Another vector that is perpendicular to is

 6
 7

The correct answer is: 6
Since is lying in plane, hence the vector perpendicular to must be lying perpendicular to plane along axis.
Related Questions to study
physics
A circular road of radius has banking angle The maximum safe speed of a car having mass will be, if the coefficient of friction between tyre and road is 0.5
A circular road of radius has banking angle The maximum safe speed of a car having mass will be, if the coefficient of friction between tyre and road is 0.5
physicsGeneral
chemistry
NH_{3} has a much higher boiling point than PH_{3} because
NH_{3} has a much higher boiling point than PH_{3} because
chemistryGeneral
chemistry
The maximum number of molecules that one water molecule can hold through hydrogen bonding is
The maximum number of molecules that one water molecule can hold through hydrogen bonding is
chemistryGeneral
chemistry
The wavelength of the wave function of a bonding molecular orbital formed by LCAO is
The wavelength of the wave function of a bonding molecular orbital formed by LCAO is
chemistryGeneral
chemistry
In the formation of homo diatomic neutral molecule, if ‘N’ atomic orbitals combine, then the total number of bonding molecular orbitals formed is
In the formation of homo diatomic neutral molecule, if ‘N’ atomic orbitals combine, then the total number of bonding molecular orbitals formed is
chemistryGeneral
physics
An object is moving in a circle of radius 100 m with a constant speed of . What is its average speed for one complete revolution?
An object is moving in a circle of radius 100 m with a constant speed of . What is its average speed for one complete revolution?
physicsGeneral
physics
The horizontal range of a projectile times the maximum height achieved by it, then the angle of projection is
The horizontal range of a projectile times the maximum height achieved by it, then the angle of projection is
physicsGeneral
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
physicsGeneral
physics
Two stones are projected with the same velocity in magnitude but making different angles with the horizontal. Their ranges are equal. If the angel of projection of one is and its maximum height is , the maximum height of the other will be
Two stones are projected with the same velocity in magnitude but making different angles with the horizontal. Their ranges are equal. If the angel of projection of one is and its maximum height is , the maximum height of the other will be
physicsGeneral
physics
Angle of projection, maximum height and time to reach the maximum height of a particle are ,H and respectivley. Find the true relation.
Angle of projection, maximum height and time to reach the maximum height of a particle are ,H and respectivley. Find the true relation.
physicsGeneral
physics
A particle is projected from the ground with an initial velocity of at an angle of 60 with horizontal. From what height should an another particle be projected horizontally with velocity so that both the particles collide in ground at point if both are projected simultaneously?
A particle is projected from the ground with an initial velocity of at an angle of 60 with horizontal. From what height should an another particle be projected horizontally with velocity so that both the particles collide in ground at point if both are projected simultaneously?
physicsGeneral
physics
A particle is projected with a speed at with the horizontal. The magnitude of angular momentum of the projectile about the point of projection when the particle is at its maximum height is
A particle is projected with a speed at with the horizontal. The magnitude of angular momentum of the projectile about the point of projection when the particle is at its maximum height is
physicsGeneral
physics
A body of mass 1kg is rotating in a vertical circle of radius 1m. What will be the difference in its kinetic energy at the top and bottom of the circle? (Take )
A body of mass 1kg is rotating in a vertical circle of radius 1m. What will be the difference in its kinetic energy at the top and bottom of the circle? (Take )
physicsGeneral
physics
A particle of mass moves with constant speed along a circular path of radius under the action of force . Its speed is
A particle of mass moves with constant speed along a circular path of radius under the action of force . Its speed is
physicsGeneral
Physics
A particle is moving in a straight line with initial velocity of 200 ms^{1} acceleration of the particle is given by . Find velocity of the particle at 10 second.
A particle is moving in a straight line with initial velocity of 200 ms^{1} acceleration of the particle is given by . Find velocity of the particle at 10 second.
PhysicsGeneral