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the sc ientist who gave the famous equation E = mc^2 was : Galileo , Newton , Einstein , Laplace
The number of Significant figures in 0.0036 are : 2 , 3, 4, 5
The least count of verier calliper is : 0.01mm , 0.1mm , 1mm , 0.1cm
The rate of change of displacement is called : Acceleration , Velocity , Force , Momentum
Force of 1 N is equal to : Kg ms-1 , Kg m2s2 , Kg m s-2 , Kg m s-2
A force of 25 N is acting along x-axis ,its centre of gravity does not shift the body is said to be in state of : 25 N , 0 N , 12.5 N , 12.5 N
If on disturbing the body slightly its centre of gravity does not shift the body is said to be in state of : Stable equilibrium , Unstable equilibrium , Neutral equilibrium , none of these
A 2 kg object is moving in circle with speed of 4 mS-1.if radius of the circle in 1 m the value of centripetal force acting on it : 8N , 16N , 32N , 64N
what will be the kinetic energy of a body if its velocity is doubled : 2 times , 3 times , 4 times , 5 times
An input of 500 J had been provided to a machine ,if the efficient of this machine is 45% its output will be : 500 J , 225 J , 255 J , 545 J
if pressure is exerted on a liquid, The liquid distributes it equally in all directions is the statement of : Archimedes principal , Pascal’s Law , Hooke’s Law , Boyle’s law
which material is better for insulation : Glass , Air , Brass, Fibre glass
The book “Qanoon Al-Masoodi” was written by : Ibn-ul-Haitham , Al-Kundi , Al-Bairuni , Abdus Salam
In SI, the number of base units is : 4 , 7, 5, 3
Rte of change of velocity is known as : Displacement , Distance , Acceleration , Relative motion
The weight of body of mass 20kg on earth is : 2 N , 20 N , 10 N , 200 N
A scalar quantity is : Volume , Velocity , Weight , Force
when first condition of equilibrium is satisfied then it is not produced in the body : Momentum , torque , linear acceleration is , Angular acceleration
Centripetal acceleration is equal to : V^2/r^2 , v^2/r , v/r, V/r^2
Centripetal acceleration is equal to : V^2/r^2 , v^2/r , v/r, V/r^2
The energy possessed by a body by virtue of its motion is called : Potential energy , Electric energy , Chemical energy , Kinetic energy
Mechanical advantage of single moveable pully is : 4 , 2, 3, 1
Which material is better for insulation : Glass , Air , Bras , Fibre glass
At which temperature the surface tension of a liquid will be maximum : 4°C , 0 °C , 20°C , 100°C
The velocity and acceleration of body moving with uniform speed in circular will be : In the same direction , in the opposite direction , mutually perpendicular , equal