Physics NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

The dimensional formula of the coefficient of thermal conductivity is :

1. $[M^{1} L^{1} T^{- 3} K^{- 1}]$

2. $[M^{3} L^{- 1} T^{- 3} K]$

3. $[M^{1} L^{- 3} T^{- 1} K^{- 1}]$

4. $[M^{1} L^{1} T^{- 3} K]$

Subtopic: Dimensions |

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If L,Q,R represent inductance, charge and resistance respectively, the units of

[This question includes concepts from 12th syllabus]

1. $\frac{Q R}{L}$ will be those of current

2. $\frac{Q^{2} R^{3}}{L^{2}}$ will be those of energy

3. $\frac{Q L}{R}$ will be those of current

4. $\frac{Q^{3} R^{2}}{L}$ will be those of power

Subtopic: Dimensions |

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The quantity $\frac{1}{2} \in_{0} E^{2}$ has dimensional formula same as [This question includes concepts from 12th syllabus]

1. $\frac{1}{2} C V^{2}$

2. $\frac{1}{2} L I^{2}$

3. $\frac{1}{2} \frac{B^{2}}{μ_{0}}$

4. Power

Subtopic: Dimensions |

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A light-year is a unit of:

1.	Time	2.	Mass
3.	Distance	4.	Energy

Subtopic: Measurement & Measuring Devices |

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The magnitude of any physical quantity:

1.	depends on the method of measurement.
2.	does not depend on the method of measurement.
3.	is more in the SI system than in the CGS system.
4.	is directly proportional to the fundamental units of mass, length and time.

Subtopic: Dimensions |

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Which of the following is not equal to a watt?
1. Joule/second
2. Ampere$\times$ volt
3. ( Ampere)²$\times$ ohm
4. Ampere/volt

Subtopic: Dimensions |

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Newton–second is the unit of

(1) Velocity

(2) Angular momentum

(3) Momentum

(4) Energy

Subtopic: Dimensions |

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Which of the following is not represented in correct unit

(1) $\frac{Stress}{Strain} = N / m^{2}$

(2) Surface tension = $N / m$

(3) Energy $= k g - m / \sec$

(4) Pressure $= N / m^{2}$

Subtopic: Dimensions |

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One second is equal to :

(1) 1650763.73 time periods of $K r$ clock

(2) 652189.63 time periods of $K r$ clock

(3) 1650763.73 time periods of $C s$ clock

(4) 9192631770 time periods of $C s$ clock

Subtopic: Dimensions |

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One nanometre is equal to:

(1) $10^{9} m m$

(2) $10^{- 6} c m$

(3) $10^{- 7} c m$

(4) $10^{- 9} c m$

Subtopic: Dimensions |

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Select Chapter:

Units and Measurement

Mathematical Tools

Motion in A Straight Line

Motion in A Plane

Laws of Motion

Work, Energy and Power

Systems of Particles and Rotational Motion

Gravitation

Mechanical Properties of Solids

Mechanical Properties of Fluids

Thermal Properties of Matter

Thermodynamics

Kinetic Theory of Gases

Oscillations

Waves

Electric Charges and Fields

Electrostatic Potential and Capacitance

Current Electricity

Moving Charges and Magnetism

Magnetism and Matter

Electromagnetic Induction

Alternating Current

Electromagnetic Waves

Ray Optics and Optical Instruments

Wave Optics

Dual Nature of Radiation and Matter

Atoms

Nuclei

Semiconductor Electronics

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Select Chapter:

Units and Measurement

Mathematical Tools

Motion in A Straight Line

Motion in A Plane

Laws of Motion

Work, Energy and Power

Systems of Particles and Rotational Motion

Gravitation

Mechanical Properties of Solids

Mechanical Properties of Fluids

Thermal Properties of Matter

Thermodynamics

Kinetic Theory of Gases

Oscillations

Waves

Electric Charges and Fields

Electrostatic Potential and Capacitance

Current Electricity

Moving Charges and Magnetism

Magnetism and Matter

Electromagnetic Induction

Alternating Current

Electromagnetic Waves

Ray Optics and Optical Instruments

Wave Optics

Dual Nature of Radiation and Matter

Atoms

Nuclei

Semiconductor Electronics

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