Zero error of the instrument is a type of_________________?
(A) Random error
(B) Personal error
(C) Systematic error
(D) Classified error
Which one is the correct representation of the unit of pressure ?
(A) Newton/Meter2
(B) newton/meter2
(C) Newton/meter2
(D) newton/Meter2
The circumference subtends an angle________________?
(A) π radian
(B) 2π radian
(C) π/2 radian
(D) 4π radian
hen a body moves in a circle, the angle between its linear velocity and angular velocity is always_______________?
(A) 180°
(B) 0°
(C) 90°
(D) 45°
The direction of the linear velocity of a body moving in a circle is______________?
(A) along the axis of rotation
(B) along the tangent
(C) directed towards the centre
(D) directed away from the centre
The period of a circular motion is given by_______________?
(A) T = πv
(B) T = πw
(C) T = 2πr
(D) T = 2πr/v
According to Einstein, the gravitational interaction is possible between_______________?
(A) material objects only
(B) material objects and electromagnetic radiation only
(C) electromagnetic radiations
(D) none of the above
The radius of geostationary orbit from the centre of the earth is nearly______________?
(A) 42000km
(B) 36000km
(C) 24000 km
(D) 18000 km