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

Number of significant figures in 0.0173 are : | 3, 4, 5, 2 |

The dimensions of work are : | [MLT-2], [ml2T-2], [ML2T-3], None Of These |

When two vector are anti-parallel the angle between them is : | Zero, 180°, 90°, 270° |

The magnitude of cross product and dot product of two vector are equal the angle between the vector : | Zero, 90°, 180°, 45° |

When velocity time graph is straight line parallel to time axis then : | Acceleration is constant, Acceleration is variable, Velocity is zero, Acceleration is zero |

The area under the force -displacement graph represents : | work done, Power, Torque, None Of These |

One radian is equal : | 67.0°, 53.3°, 87.3°, 60° |

centripetal force perform : | 1.333 Nm-2, 1333.3 Nm-2, 1333 Nm-2, 13.33 Nm-2 |

A distance between two consecutive nodes is : | ?, ?/4, ?/2, 2? |

the speed of sound in air at 0 ° C is 332 mS1 the speed at 2° C will be : | 333.2mS-1, 335 mS-1, 330 mS-1, None Of These |

The product of frequency and time period is : | 1, 2, 3, 4 |

The appearance of colours in thin films is due to : | diffraction, Dispersion, Interference, Polarization |

Least distance of distinct vision : | Increase with increase in age , Decrease with increase in age, Unchanged with increase in age, All |

Spectrometer is used to : | Study diffraction of light, Measure wavelength of light, Measure refractive index of material, All |

Which is not example of adiabatic process : | Rapid escape of air from burst tyre, Rapid expansion of air , Conversion of water into ice in refrig |

The efficiency of petrol engine is about : | 25 - 30 %, 30 - 35%, 35 - 40 %, None Of These |

The dimension of force is : | MLT, MLT-1, ML-1T-1, MLT-2 |

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