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The scientist who did exceptional work in Optics is : Al-Beruni , Al-Kundi , Newton , Ibn-Al-Haithem
The least count of Vernier calliper is : 0.0001 cm , 0.01cm , 0.001 cm , 0.1 cm
The second equation of motion is : 2 as=V1^2 , s=Vavxt , S=1+1/2 at^2 , S = Vit+1/2at^2
If the mass of body is doubled while keeping the force constant the acceleration will be : One half , two time , one fourth , four times
When a vector is multiplied by a positive number then what will be the change : Direction , Magnitude , unit , Direction and Magnitude
The value of torque depends upon : Force , Moment arm , Force and moment arm , Direction
A 2 kg object is moving in a circle with a speed of 4 m S-1.If the radius of circle is 1 m. the value of Centripetal force acting on it is : 8N , 16N , 32N , 64N
The energy of a body produced in it due to its motion is called : Electric , Chemical , Kinetic , Potential
The unit of Mechanical advantage is: Newton , Joule , Metre , no unit
The mathematical form of Young’s Modulus is : P=F/A , Y=FxL/A ? L , P= P u/h , F2/F2=A/a
Viscosity of which will be Maximum : Water at 20°C , honey at 20°C , water at 70°C , water at 90°C
At what temperature water has maximum density : 0 °C , 4 °C , 100°C , 110°C
The toy operating with steam was invented by : Hero , Volta , Galillio , Nicvalorsium
The basic unit of tempature in S.I system is : Calorie , kelvin , joule , mole
when a body does not change its position with respect to an observer then it is called in : Position , fixed point , Rest , motion
Formula of weight is w= ------------: M/v , mg , mv , ma
The vector whose magnitude is equal to the vector V and direction is different is called : Positive , negative , Resultant , Representative
According to 1st condition of equilibrium ---------= 0 : E fx =0 , Efy=0 , ef=0 , et=0
A body of mass 2 kg is moving with speed of 4 mS-1 in a circle of radius 1 m. the centripal force acting on the body is : 8N , 16N , 32N , 64N
If 25 n of force acts on a stone to displace it 5 m what will be the amount of work ------: 20j , 50j , 75j , 125j
Mechanical advantage of single moveable pulley is : Less then 1 , equal to 1 , more then 1 , more then 2
Force applying on a unit area of body is called : Stress , Strain , Viscosity , Elasticity
For find specific heat of liquid -----------: Thermeter , Hypometer , Barometer , Calorimeter
PV= constant is-----------------law : Charles , Boyle’s , Pascal’s , Archimedes