The mechanical quantity, which has dimensions of reciprocal of mass \((M^{-1}),\) is:
1. angular momentum
2. coefficient of thermal conductivity 
3. torque 
4. gravitational constant 
Subtopic:  Dimensions |
 61%
Level 2: 60%+
NEET - 2023
Hints

Plane angle and solid angle have:
1. both units and dimensions
2. units but no dimensions
3. dimensions but no units
4. no units and no dimensions
Subtopic:  Dimensions |
 77%
Level 2: 60%+
NEET - 2022
Hints

The dimensions \([MLT^{-2}A^{-2}]\) belong to the:
1. electric permittivity
2. magnetic flux
3. self-inductance
4. magnetic permeability
Subtopic:  Dimensions |
Level 3: 35%-60%
NEET - 2022
Hints

advertisementadvertisement

The physical quantity that has the same dimensional formula as pressure is:
1. Force
2. Momentum
3. Young's modulus of elasticity
4. Coefficient of viscosity
Subtopic:  Dimensions |
 82%
Level 1: 80%+
NEET - 2022
Hints

If force \([F]\), acceleration \([A]\) and time \([T]\) are chosen as the fundamental physical quantities, then find the dimensions of energy:

1. \(\left[FAT^{-1}\right]\) 2. \(\left[FA^{-1}T\right]\)
3. \(\left[FAT\right]\) 4. \(\left[FAT^{2}\right]\)
Subtopic:  Dimensions |
 68%
Level 2: 60%+
NEET - 2021
Hints
Links

If \(E\) and \(G\) respectively, denote energy and gravitational constant, then \(\dfrac{E}{G}\) has the dimensions of:
1. \([ML^0T^0]\)
2. \([M^2L^{-2}T^{-1}]\)
3. \([M^2L^{-1}T^{0}]\)
4. \([ML^{-1}T^{-1}]\)
Subtopic:  Dimensions |
 79%
Level 2: 60%+
NEET - 2021
Hints
Links

advertisementadvertisement

The energy required to break one bond in DNA is \(10^{-20}~\text{J}\). This value in eV is nearly: 
1. \(0.6\)
2. \(0.06\)
3. \(0.006\)
4. \(6\)

Subtopic:  Dimensions |
 72%
Level 2: 60%+
NEET - 2020
Hints
Links

Dimensions of stress are:

1. \( {\left[{ML}^2 {T}^{-2}\right]} \) 2. \( {\left[{ML}^0 {T}^{-2}\right]} \)
3. \( {\left[{ML}^{-1} {T}^{-2}\right]} \) 4. \( {\left[{MLT}^{-2}\right]}\)
Subtopic:  Dimensions |
 81%
Level 1: 80%+
NEET - 2020
Hints
Links

The unit of thermal conductivity is:
1. W m–1 K–1 2. J m K–1
3. J m–1 K–1 4. W m K–1
Subtopic:  Dimensions |
 59%
Level 3: 35%-60%
NEET - 2019
Hints
Links

advertisementadvertisement

A physical quantity of the dimensions of length that can be formed out of \(c, G,~\text{and}~\dfrac{e^2}{4\pi\varepsilon_0}\)is:
(\(c\) is the velocity of light, \(G\) is the universal constant of gravitation and \(e\) is charge)

1. \(c^2\left[G \dfrac{e^2}{4 \pi \varepsilon_0}\right]^{\dfrac{1}{2}}\) 2. \(\dfrac{1}{c^2}\left[\dfrac{e^2}{4 G \pi \varepsilon_0}\right]^{\dfrac{1}{2}}\)
3. \(\dfrac{1}{c} G \dfrac{e^2}{4 \pi \varepsilon_0}\) 4. \(\dfrac{1}{c^2}\left[G \dfrac{e^2}{4 \pi \varepsilon_0}\right]^{\dfrac{1}{2}}\)
Subtopic:  Dimensions |
 57%
Level 3: 35%-60%
NEET - 2017
Hints
Links