Select Question Set:
Q. No.The percentage error in the measurement of \(g\) is:
(Given, \(g=\frac{4\pi^2L}{T^2},L=(10\pm0.1)~\text{cm, }T=(100\pm1)~\text s\))
1. \(2\%\)
2. \(5\%\)
3. \(3\%\)
4. \(7\%\)
Subtopic: Errors |
77%
Level 2: 60%+
NEET - 2022
Hints
The number of significant figures in the result of \((10.04+0.00230)\) is/are:
1. \(1\)
2. \(2\)
3. \(3\)
4. \(4\)
Subtopic: Significant Figures |
71%
Level 2: 60%+
Please attempt this question first.
Hints
Please attempt this question first.
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
1. Force
2. Momentum
3. Young's modulus of elasticity
4. Coefficient of viscosity
Subtopic: Dimensions |
82%
Level 1: 80%+
NEET - 2022
Hints
The SI unit of a physical quantity is pascal-second. The dimensional formula of this quantity will be:
1. \(\mathrm{[ML^{–1}T^{–1}]}\)
2. \(\mathrm{[ML^{–1}T^{–2}]}\)
3. \(\mathrm{[ML^{2}T^{–1}]}\)
4. \(\mathrm{[M^{-1}L^{3}T^{0}]}\)
1. \(\mathrm{[ML^{–1}T^{–1}]}\)
2. \(\mathrm{[ML^{–1}T^{–2}]}\)
3. \(\mathrm{[ML^{2}T^{–1}]}\)
4. \(\mathrm{[M^{-1}L^{3}T^{0}]}\)
Subtopic: Dimensions |
78%
Level 2: 60%+
JEE
Please attempt this question first.
Hints
Please attempt this question first.
The number of significant figures in the physical quantity \(2.56\times 10^5\) kg is/are:
| 1. | \(1\) | 2. | \(2\) |
| 3. | \(3\) | 4. | \(5\) |
Subtopic: Significant Figures |
91%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
Match List-I with List-II.
Choose the correct answer from the options given below:
| List-I | List-II |
| A. Torque | I. N-m s-1 |
| B. Stress | II. J-kg-1 |
| C. Latent Heat | III. N-m |
| D. Power | IV. N-m-2 |
Choose the correct answer from the options given below:
| 1. | A-III, B-II, C-I, D-IV |
| 2. | A-III, B-IV, C-II, D-I |
| 3. | A-IV, B-I, C-III, D-II |
| 4. | A-II, B-III, C-I, D-IV |
Subtopic: Dimensions |
88%
Level 1: 80%+
JEE
Please attempt this question first.
Hints
Please attempt this question first.
The angle of \(1'\) (minute of arc) is nearly equal to:
(use \(2\pi=360^\circ \) and \(\pi=3.14 \))
(use \(2\pi=360^\circ \) and \(\pi=3.14 \))
| 1. | \(2.42\times10^{-6} \) rad | 2. | \(2.85\times10^{-6} \) rad |
| 3. | \(2.91\times10^{-4} \) rad | 4. | \(1.75\times10^{-2} \) rad |
Subtopic: Measurement & Measuring Devices |
66%
Level 2: 60%+
Please attempt this question first.
Hints
Please attempt this question first.
The pair of quantities having the same dimensions are:
| 1. | impulse and surface tension |
| 2. | angular momentum and work |
| 3. | work and torque |
| 4. | Young's modulus and energy |
Subtopic: Dimensions |
83%
Level 1: 80%+
NEET - 2013
Hints
In Vander Wall's equation \(\left[{P}+\dfrac{{a}}{{V}^{2}}\right][{V}-{b}]={RT}\); \(P\) is pressure, \(V\) is volume, \(R\) is universal gas constant and \(T\) is temperature. The ratio of constants \(\dfrac a b\) is dimensionally equal to:
| 1. | \(\dfrac P V\) | 2. | \(\dfrac V P\) |
| 3. | \(PV\) | 4. | \(PV^3\) |
Subtopic: Dimensions |
79%
Level 2: 60%+
JEE
Please attempt this question first.
Hints
Please attempt this question first.
Unlock IMPORTANT QUESTION
This question was bookmarked by 5 NEET 2025 toppers during their NEETprep journey. Get Target Batch to see this question.
✨ Perfect for quick revision & accuracy boost
Buy Target Batch
Access all premium questions instantly
Consider the efficiency of Carnot’s engine is given by \(\eta=\dfrac{\alpha \beta}{\sin \theta} \log _{{e}} \dfrac{\beta {x}}{{kT}}\), where \(\alpha\) and \(\beta\) are constants. If \(T\) is temperature, \(k\) is Boltzman constant, \(\theta\) is angular displacement and \(x\) has the dimensions of length.
Which of the following statements is incorrect?
Which of the following statements is incorrect?
| 1. | The dimensions of \(\beta\) are same as that of force. |
| 2. | The dimensions of \(\alpha^{-1}x\) are same as that of energy. |
| 3. | The dimensions of \(\eta^{-1} \sin \theta\) are same as that of \(\alpha \beta\). |
| 4. | The dimensions of \(\alpha\) same as that of \(\beta\). |
Subtopic: Dimensions |
53%
Level 3: 35%-60%
Please attempt this question first.
Hints
Please attempt this question first.
Select Question Set:
© 2025 GoodEd Technologies Pvt. Ltd.