Your Virtual Mentor| Question | Options |
|---|---|
| Which gas is used in spite of freon gas in refrigerator : | Co2, H2, NH3, N2 |
| 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 quanity is scalar : | Force, Power, Velocity, Torque |
| Production of mass and velocity of a body is called : | Torque, Force, Work, Momentum |
| 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 |
| The value of gravitional field strength near the surface of earth is : | 20 Nkg-1, 30 Nkg-1, 5 Nkg-1, 10 Nkg-1 |
| The SI system unit of density is : | Kgm-1, Kgm-3, Kgm-2, Kgm |
| The base quanity is : | Mass, Volume, Torque, Momentum |
| The centre of gravity of irregular shaped body can be found with help of : | Wedge, Metre rod, Plumber line, Screw gauge |
| 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 |
| A ball is thrown vertically upward its velocity at the highest point : | minus 10 mS-1, 10 mS-1, Zero, 100 mS-1 |
| The number of base unit in SI are : | 3, 6, 7, 9 |
| A ball is thrown vertically upward its velocity at the highest point : | 10 ms-1, minus 10 mS-1, 10 mS-2, Zero |
| The motion of a body about an axis is called : | Circular Motion, vibratory Motion, Rotational Motion, Random Motion |
| The unit of momentum is : | Nm, KgmS-2, Ns-1, Ns |
| 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 |
| The number of perpendicular components of a force : | 1, 3, 4, 2 |
| 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 |
| The value of g at a height on Earths radius above the surface of the Earth is : | 2g, 1/2g, 1/3g, 1/4g |
| The work will be zero when the angle between the force and the distance is : | 45°, 60°, 90°, 180° |
| Si unit of Pressure is Pascal ,which is equal to : | 10^4 Nm-2, 1Nm-2, 10^2Nm-2, 10^3Nm-2 |
| Water freezes at : | 0° F, 32° F, Minus 273 K, 0 K |
| The ways by which transfer of heat place are : | 1, 4, 2, 3 |