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. $\frac{1}{2}\frac{{B}^{2}}{{\mu}_{0}}$

4. Power

Subtopic: Dimensions |

From NCERT

To view explanation, please take trial in the course.

NEET 2025 - Target Batch

Hints

Links

To view explanation, please take trial in the course.

NEET 2025 - Target Batch

A light-year is a unit of:

1. Time

2. Mass

3. Distance

4. Energy

Subtopic: Measurement & Measuring Devices |

74%

From NCERT

PMT - 1989

To view explanation, please take trial in the course.

NEET 2025 - Target Batch

Hints

Links

To view explanation, please take trial in the course.

NEET 2025 - Target Batch

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 |

From NCERT

To view explanation, please take trial in the course.

NEET 2025 - Target Batch

Hints

To view explanation, please take trial in the course.

NEET 2025 - Target Batch

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 |

From NCERT

PMT - 1990

To view explanation, please take trial in the course.

NEET 2025 - Target Batch

Hints

Links

To view explanation, please take trial in the course.

NEET 2025 - Target Batch

Newton–*second* is the unit of

(1) Velocity

(2) Angular momentum

(3) Momentum

(4) Energy

Subtopic: Dimensions |

From NCERT

PMT - 1984

To view explanation, please take trial in the course.

NEET 2025 - Target Batch

Hints

Links

To view explanation, please take trial in the course.

NEET 2025 - Target Batch

Which of the following is not represented in correct unit

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

(2) Surface tension = $N\text{}/\text{}m$

(3) Energy $=kg\text{-}m\text{}/\text{}\mathrm{sec}$

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

Subtopic: Dimensions |

59%

From NCERT

To view explanation, please take trial in the course.

NEET 2025 - Target Batch

Hints

Links

To view explanation, please take trial in the course.

NEET 2025 - Target Batch

One *second* is equal to :

(1) 1650763.73 time periods of $Kr$ clock

(2) 652189.63 time periods of $Kr$ clock

(3) 1650763.73 time periods of $Cs$ clock

(4) 9192631770 time periods of $Cs$ clock

Subtopic: Dimensions |

From NCERT

To view explanation, please take trial in the course.

NEET 2025 - Target Batch

Hints

Links

To view explanation, please take trial in the course.

NEET 2025 - Target Batch

One nanometre is equal to:

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

(2) ${10}^{-6}\text{\hspace{0.17em}}cm$

(3) ${10}^{-7}cm$

(4) ${10}^{-9}cm$

Subtopic: Dimensions |

From NCERT

To view explanation, please take trial in the course.

NEET 2025 - Target Batch

Hints

A *micron* is related to centimetre as

(1) $1\text{\hspace{0.17em}}micron={10}^{-8}cm$

(2) $1\text{\hspace{0.17em}}micron={10}^{-6}cm$

(3) $1\text{\hspace{0.17em}}micron={10}^{-5}cm$

(4) $1\text{\hspace{0.17em}}micron={10}^{-4}\text{\hspace{0.17em}}cm$

Subtopic: Dimensions |

From NCERT

To view explanation, please take trial in the course.

NEET 2025 - Target Batch

Hints

The unit of power is :

(1) *Joule*

(2) *Joule* per *second* only

(3) *Joule* per *second* and *watt* both

(4) Only *watt*

Subtopic: Dimensions |

65%

From NCERT

PMT - 1985

To view explanation, please take trial in the course.

NEET 2025 - Target Batch

Hints

Links

To view explanation, please take trial in the course.

NEET 2025 - Target Batch