Given below are two statements:
Assertion (A):
A glass tube partially filled with water represents an open organ pipe.
Reason (R):
The open end corresponds to an antinode and the end in contact with water, to a node.
In the light of the above statements, choose the correct answer from the options given below:
1.
Both (A) and (R) are True and (R) is the correct explanation of (A).
2.
Both (A) and (R) are True and (R) is not the correct explanation of (A).
3.
(A) is True but (R) is False.
4.
(A) is False but (R) is True.
Subtopic: Standing Waves |
68%
Level 2: 60%+
NEET - 2024
Hints
The photochemical phase of photosynthesis include:
Choose the correct answer from the options given below:
| A. | Oxygen release | B. | Formation of NADPH |
| C. | Use of ATP | D. | Water splitting |
| E. | Carboxylation | ||
| 1. | C and E only | 2. | A, B and D only |
| 3. | B, C and E only | 4. | A, B, C and D only |
Subtopic: Light Reaction: Electron Transport |
64%
Level 2: 60%+
NEET - 2024
Hints
Match List-I with List-II:
(Here symbols have their usual meaning and \(R\) is the radius of the thin shell)
Choose the correct answer from the options given below:
| List-I (Application of Gauss Law) |
List-II (Value of \(|E|\)) |
||
| \(\mathrm{(A)}\) | The field inside a thin shell | \(\mathrm{(I)}\) | \( \dfrac{\lambda}{2 \pi \varepsilon_0 r} \hat{n} \) |
| \(\mathrm{(B)}\) | The field outside a thin shell | \(\mathrm{(II)}\) | \( \dfrac{q}{4 \pi \varepsilon_0 R^2} \hat{r} \) |
| \(\mathrm{(C)}\) | The field of thin shell at the surface | \(\mathrm{(III)}\) | \( \dfrac{q}{4 \pi \varepsilon_0 r^2} \hat{r}\) |
| \(\mathrm{(D)}\) | The field due to a long charged wire | \(\mathrm{(IV)}\) | zero |
Choose the correct answer from the options given below:
| 1. | \(\mathrm{A-IV, B-III, C-I, D-II}\) |
| 2. | \(\mathrm{A-I, B-II, C-III, D-IV}\) |
| 3. | \(\mathrm{A-IV, B-III, C-II, D-I}\) |
| 4. | \(\mathrm{A-I, B-III, C-II, D-IV}\) |
Subtopic: Gauss's Law |
87%
Level 1: 80%+
NEET - 2024
Hints
If the standard enthalpy of neutralization reaction of \(\text{HCl }\) and \(\mathrm{NaOH}\) is \(-57.3 \mathrm{~K}{\mathrm{J}}~ \mathrm{mol}^{-1}\), then find out the enthalpy of neutralization of \(0.25 \mathrm{~mol}\) of \(\text{HCl }\)by \(0.25 \mathrm{~mol}\) of \(\mathrm{NaOH}\) :
1. \(-57.3~ \mathrm{kJ} ~\mathrm{mol}^{-1}\)
2. \(-28.3 \mathrm{~kJ} \mathrm{~mol}^{-1}\)
3. \(-14.32 \mathrm{~kJ} \mathrm{~mol}^{-1}\)
4. \(+57.3~ \mathrm{kJ}~ \mathrm{mol}^{-1}\)
1. \(-57.3~ \mathrm{kJ} ~\mathrm{mol}^{-1}\)
2. \(-28.3 \mathrm{~kJ} \mathrm{~mol}^{-1}\)
3. \(-14.32 \mathrm{~kJ} \mathrm{~mol}^{-1}\)
4. \(+57.3~ \mathrm{kJ}~ \mathrm{mol}^{-1}\)
Subtopic: Thermochemistry |
62%
Level 2: 60%+
NEET - 2024
Hints
ABO blood group is an example of
| 1. | Incomplete dominance | 2. | Multiple allele |
| 3. | Pleiotropy | 4. | Linkage |
Subtopic: Co-dominance |
86%
Level 1: 80%+
NEET - 2024
Hints
Given below are two statements:
In the light of the above statements, choose the most appropriate answer from the options given below:
| Statement I: | The de Broglie wavelength associated with a material particle depends on its charge and nature. |
| Statement II: | The wave nature of particles in sub-atomic domain is significant and measurable. |
| 1. | Both Statement I and Statement II are correct. |
| 2. | Both Statement I and Statement II are incorrect. |
| 3. | Statement I is correct but Statement II is incorrect. |
| 4. | Statement I is incorrect but Statement II is correct. |
Subtopic: De-broglie Wavelength |
Level 3: 35%-60%
NEET - 2024
Hints
Match List-I with List-II:
Choose the correct answer from the options given below:
| List-I | List-II | ||
| A. | Saccharomyces cerevisiae | I. | Citric acid |
| B. | Aspergillus niger | II. | Butyric acid |
| C. | Trichoderma polysporum | III. | Ethanol |
| D. | Clostridium butylicum | IV. | Cyclosporin-A |
| 1. | A-III, B-I, C-IV, D-II | 2. | A-IV, B-II, C-III, D-I |
| 3. | A-III, B-IV, C-I, D-II | 4. | A-I, B-III, C-II, D-IV |
Subtopic: Chemicals, Enzymes & Other Bioactive Molecules |
93%
Level 1: 80%+
NEET - 2024
Sorry!! currently, the explanation for the question is not provided. If you need further help, please email at support@neetprep.com with subject: Explanation Missing for Question Id: 456722
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Sorry!! currently, the explanation for the question is not provided. If you need further help, please email at support@neetprep.com with subject: Explanation Missing for Question Id: 456722
In Young's double slit experiment, if the wavelength of light used is increased (say from violet to red) then the:
| 1. | fringe width decreases. |
| 2. | fringe width increases. |
| 3. | central bright fringe becomes dark. |
| 4. | fringe width remains unaltered. |
Subtopic: Young's Double Slit Experiment |
83%
Level 1: 80%+
NEET - 2024
Hints
A solar cell is a:
| 1. | forward biased Zener diode. |
| 2. | type of light-emitting diode. |
| 3. | diode working on the principle of photo-voltaic effect. |
| 4. | type of photo-diode with external biasing. |
Subtopic: Applications of PN junction |
74%
Level 2: 60%+
NEET - 2024
Hints
Which one of the following molecules is paramagnetic?
1. \(\mathrm{H}_2\)
2. \(\mathrm{Li}_2\)
3. \(\mathrm{C_2}\)
4. \(\mathrm{O}_2\)
1. \(\mathrm{H}_2\)
2. \(\mathrm{Li}_2\)
3. \(\mathrm{C_2}\)
4. \(\mathrm{O}_2\)
Subtopic: M.O.T |
85%
Level 1: 80%+
NEET - 2024
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