Question | Options |
---|---|

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 |

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