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Which gas is used in spite of Freon gas in refrigerator: CO2 , H2 , NH3 , N3
In gases, heat is mainly transferred by : Conduction , Molecular collision , Convection , Radiation
In gases, heat is mainly transferred by : Conduction , Molecular collision , Convection , Radiation
The energy in the stretched bow is : Elastic P.E , K.E , Heat energy, Sound energy
which quantity is scalar : Force , power , Velocity , torque
Product of mass and velocity of a body is called : Torque , Force , work , Momentum
in right angle triangle ,length of base is 4 cm and its hypotenuse is 5 cm, then length of perpendicular is : 1cm , 3cm , 20cm , 9cm
the value of gravitational field strength near the surface of earth is: 20Nkg-1 , 30Nkg-1 , 5Nkg-1 , 10Nkg-1
In SI system unit of density is : Kgm-1 , Kgm-3 , Kgm-2 , Kgm
The base quantity is : Mass , Volume , Torque , Momentum
The centre of gravity of irregular shaped body can found with help of : Wedge , Metre rod , Plumb line , Screw gauge
A string is stretched by two equal and opposite forces 10N each. The tension in the string is: 10N , 5N , Zero, 20N
A ball is thrown vertically upward , its velocity at the highest point is : -10mS-1 , 10mS-1 , Zero , 100mS-1
The number of base units SI are : 3 , 6 , 7 , 9
A ball is thrown vertically upward , its velocity at the highest point is : -10mS-1 , 10mS-1 , 100mS-1, Zero
The motion of body about an axis is called : Circular Motion , Vibratory Motion , Rotation Motion , Random Motion
The unit of momentum is : Nm , Kgms-2 , Ns-1 , Ns
The unit of momentum is : Nm , Kgms-2 , Ns-1 , Ns
A string is stretched by two equal and opposite forces 10N each. The tension in the string is: 10N , 20N, 5N , Zero
The number of perpendicular components of a force are : 1 , 3, 4, 2
A force of 10 n is making an angle of 30 with the horizontal .Its horizontal component will be : 4N , 5N , 7N , 8.7N
The value of ‘g’ at a height on earth’s radius above the surface of the earth is: 2g , 1/2g , 1/3g , 1/4g