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

When water waves enter from greater depth to low depth, then their wave length : | Increase , Decreases , Remains constant , Become double |

Pitch of sound depend upon : | Quality , Frequency , Intensity , Loudness |

The radius of curvature of a spherical mirror is how much of its focal length : | Double , Triple time , Four times , Five times |

SI unit of capacitance is : | Coulomb , Electron volt , Farad , Volt |

One electron volt is equal to : | 1.6x10^-17 J , 1.6x10^-18 J , 1.6x10^-19 J , 1.6x10^-20 J |

When resistance are combine in series, then their current following : | Different , Zero , Equal , Uniform |

Mathematical formula of joule’s law is : | W + IRt , w=IR^2t , w = I^2Rt , w = IRt^2 |

How many carbon brushes are in an A.C Generation : | Two , Three , Four , Five |

The deflection of a Galvanometer depend upon magnet’s : | Velocity , Speed , Frequency , Electro motive force |

Beta particle emitted from nucleus as : | Proton , Neutron , Electron , Position |

Transistor is used as a : | Rectified , A.C Converter, D.C Converted , Amplifier |

Brain of computer is called : | Control Unit , C.P.U , Monitor , Hard disk |

Pitch of sound depends upon : | Volume , Frequency , Area , Vibration |

If the image is virtual then its distance from the lens is taken : | Positive , Negative , Double , half |

If the image is real then its distance from the lens is taken : | Positive , Negative , Double , half |

The unit of charge is : | Watt , Joule , Newton , Coulomb |

Watt is equal to : | Coulomb per second , newton per second , volt per second , joule per second |

Calculate the value of current if V=250 v R=500 om : | 0.5A , 0.05A , 5A , 125A |

An instrument which is used to measure the current | Volt meter , Ammeter , Galvanometer , Barometer |

if the change of current in a circuit induces a current in another circuit this phenomena is known : | Self induction , Mutual induction , Electromagnetic induction , non mutual induction |

The sodium nuclei is a stable nuclei because its atomic number ----82 : | Less than , Equal to , Greater then , Quite greater then |

Floppy disc is made of : | Iron , Plastic , Wood , Aluminium |

----------- gate is used in safety alarm : | AND , NAND , OR , NOR |

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