Question | Options |
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the sc ientist who gave the famous equation E = mc^2 was : | Galileo , Newton , Einstein , Laplace |

The number of Significant figures in 0.0036 are : | 2 , 3, 4, 5 |

The least count of verier calliper is : | 0.01mm , 0.1mm , 1mm , 0.1cm |

The rate of change of displacement is called : | Acceleration , Velocity , Force , Momentum |

Force of 1 N is equal to : | Kg ms-1 , Kg m2s2 , Kg m s-2 , Kg m s-2 |

A force of 25 N is acting along x-axis ,its centre of gravity does not shift the body is said to be in state of : | 25 N , 0 N , 12.5 N , 12.5 N |

If on disturbing the body slightly its centre of gravity does not shift the body is said to be in state of : | Stable equilibrium , Unstable equilibrium , Neutral equilibrium , none of these |

A 2 kg object is moving in circle with speed of 4 mS-1.if radius of the circle in 1 m the value of centripetal force acting on it : | 8N , 16N , 32N , 64N |

what will be the kinetic energy of a body if its velocity is doubled : | 2 times , 3 times , 4 times , 5 times |

An input of 500 J had been provided to a machine ,if the efficient of this machine is 45% its output will be : | 500 J , 225 J , 255 J , 545 J |

if pressure is exerted on a liquid, The liquid distributes it equally in all directions is the statement of : | Archimedes principal , Pascal’s Law , Hooke’s Law , Boyle’s law |

which material is better for insulation : | Glass , Air , Brass, Fibre glass |

The book “Qanoon Al-Masoodi” was written by : | Ibn-ul-Haitham , Al-Kundi , Al-Bairuni , Abdus Salam |

In SI, the number of base units is : | 4 , 7, 5, 3 |

Rte of change of velocity is known as : | Displacement , Distance , Acceleration , Relative motion |

The weight of body of mass 20kg on earth is : | 2 N , 20 N , 10 N , 200 N |

A scalar quantity is : | Volume , Velocity , Weight , Force |

when first condition of equilibrium is satisfied then it is not produced in the body : | Momentum , torque , linear acceleration is , Angular acceleration |

Centripetal acceleration is equal to : | V^2/r^2 , v^2/r , v/r, V/r^2 |

Centripetal acceleration is equal to : | V^2/r^2 , v^2/r , v/r, V/r^2 |

The energy possessed by a body by virtue of its motion is called : | Potential energy , Electric energy , Chemical energy , Kinetic energy |

Mechanical advantage of single moveable pully is : | 4 , 2, 3, 1 |

Which material is better for insulation : | Glass , Air , Bras , Fibre glass |

At which temperature the surface tension of a liquid will be maximum : | 4°C , 0 °C , 20°C , 100°C |

The velocity and acceleration of body moving with uniform speed in circular will be : | In the same direction , in the opposite direction , mutually perpendicular , equal |