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Which gas is used in spite of freon gas in refrigerator : |
Co2, H2, NH3, N2
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In gases heat is mainly transferred by : |
Conduction, Molecular Collision, Convection, Radiation
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The energy in the stretched bow is : |
Elastic P.E, K.E, heat energy, Sound Energy
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Which quanity is scalar : |
Force, Power, Velocity, Torque
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Production of mass and velocity of a body is called : |
Torque, Force, Work, Momentum
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In right triangle length of base is 4 cm and its hypotenuse is 5 cm then length of perpendular : |
1 cm, 3 cm, 20 cm, 9 cm
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The value of gravitional field strength near the surface of earth is : |
20 Nkg-1, 30 Nkg-1, 5 Nkg-1, 10 Nkg-1
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The SI system unit of density is : |
Kgm-1, Kgm-3, Kgm-2, Kgm
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The base quanity is : |
Mass, Volume, Torque, Momentum
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The centre of gravity of irregular shaped body can be found with help of : |
Wedge, Metre rod, Plumber line, Screw gauge
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A string is stretched by two equal and opposite force 10 N each .The tension in the string : |
10 N, 5 N, Zero, 20 N
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A ball is thrown vertically upward its velocity at the highest point : |
minus 10 mS-1, 10 mS-1, Zero, 100 mS-1
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The number of base unit in SI are : |
3, 6, 7, 9
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A ball is thrown vertically upward its velocity at the highest point : |
10 ms-1, minus 10 mS-1, 10 mS-2, Zero
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The motion of a body about an axis is called : |
Circular Motion, vibratory Motion, Rotational Motion, Random Motion
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The unit of momentum is : |
Nm, KgmS-2, Ns-1, Ns
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A string is stretched by two equal and opposite force 10 N each .The tension in the string : |
0 N, 5 N, 10 N, 20 N
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The number of perpendicular components of a force : |
1, 3, 4, 2
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A force of 10 N is making an angle of 30° with the horizontal.its horizontal component will be : |
4 N, 5N, 7N, 8.7N
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The value of g at a height on Earths radius above the surface of the Earth is : |
2g, 1/2g, 1/3g, 1/4g
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The work will be zero when the angle between the force and the distance is : |
45°, 60°, 90°, 180°
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Si unit of Pressure is Pascal ,which is equal to : |
10^4 Nm-2, 1Nm-2, 10^2Nm-2, 10^3Nm-2
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Water freezes at : |
0° F, 32° F, Minus 273 K, 0 K
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The ways by which transfer of heat place are : |
1, 4, 2, 3
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